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
PROVINCE OF BULACAN Award a ₱53.4M contract to ARL CONSTRUCTIONProvinces
Transaction hash:
74f6809fcd23c2d64f4a42a9e1d600c35de39cc32f0a251c3aef00bf48c9a14d
Status:
Included and unchanged
Block:
#3,880 2,133 blocks after it
Position in block:
Transaction 118 of 238
Award day:
Sep 17, 2019 (7 yrs 1 mo ago)
From:
Value:
₱53,401,909.25
Project:
PEO-062419-257
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 #3,880 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)PROVINCE OF BULACAN awarded it to ARL CONSTRUCTION on 2019-09-17.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)COA's CY2024 audit of Bulacan gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 74f6809fcd…c9a14dnow …
- 2. Block Merkle root changedstored b51adb1e16…3fc2b1now …
- 3. Block #3880 hash changedstored 56f9ec1783…796428now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 237 records. Each step hashes the current value together with the sibling shown.
- leaf 74f6809fcd23c2d64f4a42a9e1d600c35de39cc32f0a251c3aef00bf48c9a14d
- 01 R 75a9ddaadd63fda58c00dc3e448f4ddb1affa9a3894cb154b0a155e7ae0c7359
- 02 L 2b5bbbc04e728e5b44b20a76c1765260630307793c25ee8b31cd4b25d8a473bd
- 03 L a8e5b05c64a85c00232298bed47c183ac5bb5c9b0e5434b26ee7f2cc2af1dd41
- 04 R 886f82083f1c8ed8cca702d7f029299fae438d4b860faa0504a1cf9dd51cba0a
- 05 L 67b83e833c36b6a0a1034fbb4b911eca048426abfee2cc99891ece8f298b2dac
- 06 L e79c42343fc7c471950fdec805118c8cc474390589b2c43444b818aace3f610d
- 07 L 195792b97e564f18e28ba500e8cb12badc311d87553aa855f4f5d5a52c6002ed
- 08 R 324fba292a43141bcd9935d78f5013a990138937a85bb3fe6db81580d4248917
- root b51adb1e16cc5305e2bb1fa186d10a591b5f02443810d3289829bc769b3fc2b1