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 - MARINDUQUE DEO Award a ₱17.3M contract to SAMARAH CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
eccba69de491f3f17e004dc788c5d22137c5065e7296b3a6f6aa60f2996aec96
Status:
Included and unchanged
Block:
#5,910 103 blocks after it
Position in block:
Transaction 309 of 343
Award day:
Jul 18, 2025 (1 yr 3 mo ago)
Value:
₱17,320,226.32
Project:
25EA0093
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 #5,910 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 - MARINDUQUE DEO awarded it to SAMARAH CONSTRUCTION AND SUPPLY on 2025-07-18.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 eccba69de4…6aec96now …
- 2. Block Merkle root changedstored 0de4a2de8c…cbcfb6now …
- 3. Block #5910 hash changedstored ee12264b61…6ae473now …
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 342 records. Each step hashes the current value together with the sibling shown.
- leaf eccba69de491f3f17e004dc788c5d22137c5065e7296b3a6f6aa60f2996aec96
- 01 L ec2d11f65a5fbb22604c2b7feaa16c3d9e90f0d1e849893835dc40dbdb0a8c02
- 02 R b4b1e35d9cc89132e1bda6dca8f27ed3b7550383a3d0013da5ebe3844b0b7908
- 03 L 69bc7199d82b2eadc18722cd57b0b66a9ce7beadcd4b48bdeefa1288608bb864
- 04 R 894a6b96a8f02ee50e3c48085aca2174e18984f6479e06a2f5bbde893279849f
- 05 L 2cc930e5b928b40fd677b238a64f231ab8df72b249eb1fe0d2076eae08cd0863
- 06 L e095b42a0c63ab458bf5690295f77794cbf4d50329e7ea9417c0430f9058b918
- 07 R 77d86007aaf8dd7109f2fa98ee0729a9a4d8b6fff4b853513cd2a8d8674b9fa3
- 08 R bf427c43eb9f2e29b5c5bd86647e2318263bb8855b924109eadfa2d4f68b2fd9
- 09 L dc0faaeaa3016018949409b3aed910196f33431ba312b695591b7b6b4aba6dab
- root 0de4a2de8c3ccdaf88e4cacdd473ce27b080a884a3665129f536ca2c7ccbcfb6