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 - QUEZON CITY 1ST ED Award a ₱8.7M contract to FERDSTAR BUILDERS CONTRACTORSNational agencies
Transaction hash:
a9fae95ddeef11d4e62e5cc09858e98c56df6c9812c0e5f361955eae7ff91c06
Status:
Included and unchanged
Block:
#1,774 4,239 blocks after it
Position in block:
Transaction 51 of 85
Award day:
Jun 10, 2013 (13 yrs 5 mo ago)
Value:
₱8,684,700.97
Project:
Rehabilitation/Upgrading of Tandang Sora Ave., QC
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 #1,774 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 - QUEZON CITY 1ST ED awarded it to FERDSTAR BUILDERS CONTRACTORS on 2013-06-10.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 a9fae95dde…f91c06now …
- 2. Block Merkle root changedstored 034531b365…92cf92now …
- 3. Block #1774 hash changedstored fba6ab3f88…f74e61now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 84 records. Each step hashes the current value together with the sibling shown.
- leaf a9fae95ddeef11d4e62e5cc09858e98c56df6c9812c0e5f361955eae7ff91c06
- 01 L a81eee33c24f6c31e017a34dd7984ead00a6582bc170b9579b3aa38c16c67fd6
- 02 L fcc21c1f628c3256b04c2f2e9c99d91108ef7d0353935efb9212b4769eb38ec1
- 03 R 35efda0721698110f72999dc3f07b688ed9074c45a813fa208b06fd0044dff0a
- 04 R 445df148b658a9b78f6407b49d4131fbbbd6afe60c88dab987221bf7608fe391
- 05 L 49d7a8bfff36148ac20fd5b12e53205ec40c5abb8fe6ed5ec17d05aa96e739b1
- 06 L de87cf3d120d1612525c3770356a508c6a9b7b9d56807b1dcb25737887e1cf46
- 07 R 290c9cb13aba76c1445219c5564ac7335c5605b71e1cbcce0f66dc2f01a91a00
- root 034531b365968452bfb5222bc8854c58770a41ea3a6be31ef0541c541b92cf92