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 - CARMONA Award a ₱30.9M contract to D&J BUILDERS AND POWER SYSTEMS CORPORATIONNational agencies
Transaction hash:
4e2326fa39770aa2494c52dc1eeab50d77e6323bad01a7adeef4949c2a2ccd91
Status:
Included and unchanged
Block:
#3,275 2,738 blocks after it
Position in block:
Transaction 208 of 709
Award day:
Dec 15, 2017 (8 yrs 10 mo ago)
Value:
₱30,949,391.36
Project:
17DQ0142
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 #3,275 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)DPWH lists the funding source as "Outside Infra - GAA 2017 DepEd BEFF", i.e. the FY2017 GAA. The exact UACS line is not given.Partly
- 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 - CARMONA awarded it to D&J BUILDERS AND POWER SYSTEMS CORPORATION on 2017-12-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17DQ0142: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2018-12-30). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 4e2326fa39…2ccd91now …
- 2. Block Merkle root changedstored 818483a319…5b62a3now …
- 3. Block #3275 hash changedstored f0795061a5…c69b05now …
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 708 records. Each step hashes the current value together with the sibling shown.
- leaf 4e2326fa39770aa2494c52dc1eeab50d77e6323bad01a7adeef4949c2a2ccd91
- 01 R 4e41f6a2a0908e26c1243c2648f6c26d197522708e8b1a1dfe813e925da99324
- 02 R 96325968c2644246b88b9b31d5e77e0578ab15bd3e50ac534451d9085fe8add6
- 03 R 4692f68e02e5f2701aa1b5d08c9de7f6c8c32ca269c1c3b006668d1c82a76d70
- 04 R ff37687658a8faba6fb14e909c6fade9c092ca5063f8505b3464916eef0cce05
- 05 L 96f38207630d0cb292da2c3bb8c37f318c83bc31469705c15c7643c4d666edb1
- 06 R 41b8312d4e8a9c07ae9c2d8d66207f27ed29cb7bd8ec24a3ed5d636a4e4b3c0e
- 07 L 81becb72925478b04de95815ade5b7f2a171f2812cdd9f56e77fa4f25c4ec71a
- 08 L 62f78fa765afa13acba5e9086bdfe4ded7f5fe95184920ca0f330b1f0bd7cd88
- 09 R 8f71255d908661b69785b629a07c7ddb2137f4b736e1f0f95f30ebe2d9173dac
- 10 R 42e8b77268a473e28f67a583efd93410cb581073456752f003c62ed9e86853bb
- root 818483a319f0453bfca1781cb820a2469afe7bee96dfa488d0915b38905b62a3