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 - EASTERN SAMAR DEO Award a ₱2.0M contract to TUBIGAN BUILDERSNational agencies
Transaction hash:
91ecb7159a3e45bdb16eb6172be7a3bebf16bd6ec3a58a3d8bd267d1a30196b3
Status:
Included and unchanged
Block:
#5,889 124 blocks after it
Position in block:
Transaction 326 of 566
Award day:
Jun 24, 2025 (1 yr 4 mo ago)
Value:
₱1,993,341.94
Project:
25IB0106 - Repair/Maintenance of Salcedo River Rev
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 #5,889 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 - EASTERN SAMAR DEO awarded it to TUBIGAN BUILDERS on 2025-06-24.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 91ecb7159a…0196b3now …
- 2. Block Merkle root changedstored 6eaf768a6d…ce2718now …
- 3. Block #5889 hash changedstored e24f3e2fad…91086anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 565 records. Each step hashes the current value together with the sibling shown.
- leaf 91ecb7159a3e45bdb16eb6172be7a3bebf16bd6ec3a58a3d8bd267d1a30196b3
- 01 R 926d9f17efd7613e803441502f7e02d8d8ce984ffe754df354b156c2d0d46802
- 02 L e6180b7275e25a3fd29d6dab66f7411ecfff972de98bb5a521a7457293b8f6f1
- 03 L c26d49a9f6966b19b50e986bd1828c1378ad410091a7a6676275cdff2c124beb
- 04 R 117b51fd4b6b8f4f3f208713c2962a9fc80deddb99cce81f3bd2cf0d3f9c8a8c
- 05 R 63d664f98b414340222c090f129d77ffd3a5fa65b97a12ebfcd5fd6f15e784b6
- 06 R 5006a1ec5066b696242b2705f6c9f726b6f7c84bfb4bcd89e37fa2ff51274382
- 07 L 8f862454f28f24d8cc585999f6ce9e9fd79b08eecc8a539e954363250b330f06
- 08 R 227f6a9af04712ae22ada3f9cb4f7e86e7a7e729de85a31b33252e8f9cd2b153
- 09 L 9dcac31cc4e8088bebf8595538c52dc1f768b585a9dc9daa38459305cc7ee2fe
- 10 R fa05e47768a1fde0c7d37072a29c16fb89b9b5b30b986049b5b68333bb31feb2
- root 6eaf768a6dff1447337ab034669f1739d8b806667633235434ce5510c7ce2718