DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
MUNICIPALITY OF SAN JUAN, LA UNION Award a ₱99.0K contract to ARM ASIA CONSTRUCTION & ENGINEERINGMunicipalities
Transaction hash:
02719dabc4c2527f4ea3cd4f5536a4f8352b2a9b307f943f7e85b4e1072d7519
Status:
Included and unchanged
Block:
#5,799 214 blocks after it
Position in block:
Transaction 11 of 1,308
Award day:
Mar 13, 2025 (1 yr 8 mo ago)
Value:
₱98,988.00
Project:
Solar Lights
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #5,799 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)MUNICIPALITY OF SAN JUAN, LA UNION awarded it to ARM ASIA CONSTRUCTION & ENGINEERING on 2025-03-13.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of San Juan gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 02719dabc4…2d7519now …
- 2. Block Merkle root changedstored 32976f43d5…bd9f32now …
- 3. Block #5799 hash changedstored c1f58e8366…1eb2e1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,307 records. Each step hashes the current value together with the sibling shown.
- leaf 02719dabc4c2527f4ea3cd4f5536a4f8352b2a9b307f943f7e85b4e1072d7519
- 01 L 025e801abdd72dc229cffee18949dbf3a990bb22a8289b8eba586734b50f9955
- 02 L 5616eec98d36efe8506f0e468fcd73dacab051a5e9a360930261cdc54fc0df32
- 03 R a0c775423c389818165cf2acf761359af43b8eff094cff744bac445eaa448e20
- 04 L a27a37c298fca329d3a22645b2ecd0b951753acfa52c71f29dac2c8f1f3cc62b
- 05 R 1bb564de60017e8e6aeee8c54036bd5e65f80db99c4e674d24bb1bf49fd86353
- 06 R 722174202016d51ed893382c6fc6199e6e86104d11619ae0210d24d0e32df247
- 07 R 1039e0067934c0cc090d07f60b7610c4fea5a58ba2c028711b002fc7d1d337d6
- 08 R aec9db99bb8c0dfc6f0f50b9c0bfe7900d043012b5016eae43cc1e6030d37e50
- 09 R fe25c55fcd7e173740d917245de3d6537c5ff1f588ad31cfa80ab03039a1653c
- 10 R 831e30871f6fce4a6f003a5474db232ac3e7302f8e76fbb2deb33844d31126d9
- 11 R cbed0a46b15022dd2637646d347d31eaa5ef9907d7a7ef3f66a1f70c3e431135
- root 32976f43d537ee94c5f0a62ff43aef274595e5c6ecd09fca4da5e3f5c0bd9f32