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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS SARANGANI DISTRICT E Award a ₱102.8M contract to GEMMA CONSTRUCTION SUPPLY INC.National agencies
Transaction hash:
92fdcbba2a4ea7118fe1dac8cd0f2ed6cd562cc975ee3eeff59b535c4c1e7724
Status:
Included and unchanged
Block:
#5,824 189 blocks after it
Position in block:
Transaction 159 of 267
Award day:
Apr 8, 2025 (1 yr 7 mo ago)
Value:
₱102,812,531.02
Project:
25ME0118
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 #5,824 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS SARANGANI DISTRICT E awarded it to GEMMA CONSTRUCTION SUPPLY INC. on 2025-04-08.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 92fdcbba2a…1e7724now …
- 2. Block Merkle root changedstored c33ef5b07e…29c6ddnow …
- 3. Block #5824 hash changedstored d87615763a…55f42fnow …
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 266 records. Each step hashes the current value together with the sibling shown.
- leaf 92fdcbba2a4ea7118fe1dac8cd0f2ed6cd562cc975ee3eeff59b535c4c1e7724
- 01 L 926bdd65341119fbb7aa862c70ee9973285b2984b41528505866235ac11d36da
- 02 L d9ad702c7a6f11d3c0104d2fc6610dda3ebcbc293e889ce47e2603955dab74ba
- 03 L fa672e37ce07e8191aeaecd3104cf716f1b8b2c640a65b099aac98cdaa4e1aaa
- 04 L 764add809fa4a6e0df75ea5bdaae45f76ae344c0dd5f3833d432af039cb7ebd7
- 05 L 957ccce3025957536fe4197c96ed9dd3f96ee83007e12dff478563d2a6e9d2c2
- 06 R c508c72056b9e2cdb5a6bb4579d244f9183b1535b16d3a3ff0d76e3d91ed9da8
- 07 R bfecd306863259f9fb8b77c3a773cdfba3d24949cc88d18306ad76465ad930b0
- 08 L 8fac0e1c392d0404e0a567365a2b5c6ebb01ff0b8addb0c231886d362f178dcd
- 09 R 1e0d0b4bc4baf90dbee283c480dd08fa843cff61cda2f6744e3b25e2b9ac8fdc
- root c33ef5b07ebb8ecfa57c0a79245bc8c598eec1ba8975a166611815ce2f29c6dd