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 ILDEFONSO, ILOCOS SUR Award a ₱2.4M contract to JZQQ CONSTRUCTION SERVICESMunicipalities
Transaction hash:
a5f6f41c8eac8dc6ca1c7a9bc1739b12d92fe7202ac4f6d0f5cf4c1e770c4b9d
Status:
Included and unchanged
Block:
#5,939 74 blocks after it
Position in block:
Transaction 164 of 266
Award day:
Aug 19, 2025 (1 yr 2 mo ago)
Value:
₱2,398,749.16
Project:
EXPANSION OF SCHOOL BUILDING
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 #5,939 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 ILDEFONSO, ILOCOS SUR awarded it to JZQQ CONSTRUCTION SERVICES on 2025-08-19.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 Ildefonso 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 a5f6f41c8e…0c4b9dnow …
- 2. Block Merkle root changedstored 1fdda74d89…ab210fnow …
- 3. Block #5939 hash changedstored e8a7dfbd35…9173b0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 265 records. Each step hashes the current value together with the sibling shown.
- leaf a5f6f41c8eac8dc6ca1c7a9bc1739b12d92fe7202ac4f6d0f5cf4c1e770c4b9d
- 01 R a7d37eeac3c86c279d96f1d214ab62fe92bd078901f0db59dd70e4a0dabfec1d
- 02 R 10e54bd0b16004f5d1d355c49417ebcac46f916443a73982c89329ccd178aa7f
- 03 L 62180e44dea83c0575fd9461a71baa0e66ef8bc9afdd6388ccc6c42b71e4c43d
- 04 R 03ca4c9ac1a590cdf26fb7688fbde5643b430b17079b8f218acbe1baff119ba0
- 05 R 4e77fe2096fa3bf1d5aa981a39b2a43389afd3adfb7cadd3af4453875deee9bf
- 06 L ae7e73d2117f1b034e3155d334950589e32dd2a8c88248349744ef17574bdc71
- 07 R 5e5d45376bbd48239dd4b02af88972bf731580dbaeef7cd6215ec3128a15d95f
- 08 L 4735f0c6a0dd186ae705cff06d6f076e4c60f49f839cf6f3a25f3b4084a1a134
- 09 R fbcbcf30fd73848a918a8b43b9df4fdf5f4bf037e5638d2dff7df8e0512d4d77
- root 1fdda74d89ce6cabe97c7c80768324eebb40f9f5a62fa7acd848a9e1d3ab210f