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
NATIONAL IRRIGATION ADMINISTRATION - LEYTE IMO Award a ₱6.6M contract to MAYRICK CONSTRUCTION SERVICESNational agencies
Transaction hash:
4e43f25ff758d2f92924d56eeb58dddb82d63f79dc4117c755a362d228ecef38
Status:
Included and unchanged
Block:
#5,858 155 blocks after it
Position in block:
Transaction 121 of 410
Award day:
May 23, 2025 (1 yr 5 mo ago)
Value:
₱6,583,925.35
Project:
Construction Projects
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 #5,858 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)NATIONAL IRRIGATION ADMINISTRATION - LEYTE IMO awarded it to MAYRICK CONSTRUCTION SERVICES on 2025-05-23.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 4e43f25ff7…ecef38now …
- 2. Block Merkle root changedstored 54654702b7…4c4d01now …
- 3. Block #5858 hash changedstored e8e3902b01…9d7dbanow …
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 409 records. Each step hashes the current value together with the sibling shown.
- leaf 4e43f25ff758d2f92924d56eeb58dddb82d63f79dc4117c755a362d228ecef38
- 01 L 4db887069ac68356c532e313eafc4a09cd6985002831f812b175975b2e326d65
- 02 R 21f2d20706f10de358a188721ad15788a2a204e1ccf33f0c1fa1b49e00309b09
- 03 R 8f5dfbcfe2fc3536a275bbc22d84c81eb843603f66b89332a2be461498731a3f
- 04 L 45e9bc38aee46ced577227df0b574f7017d8d8ceba7edfac2457bc2e5a479dad
- 05 L 7108e0b683dc4b837e4b750d5ae3e2840953a9704c5a816dc73c204114aea570
- 06 L 4019bf87d799eecb7202b4f79a2fe03a8604c8615608d0c402a68b2ad5e812d6
- 07 L d5e2438d39210f75b8845f4f8e77a8be7c73daf119a703f04b45da8edd9743d7
- 08 R 41fd1a4584fe9a7e20fb5b4e5d3864a7c18176c8060f60a09bcd9038b3d31d57
- 09 R a0835b6be25d006714362aad4caaa64a2043fe7d90363f84961f506a9e39640e
- root 54654702b7a62969a4cbe1304d564cde65248516e9571b754f8fd8b40b4c4d01