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 - METRO MANILA 2ND D Award a ₱47.0M contract to AARCON BUILDERSNational agencies
Transaction hash:
e52fde7d20f5cb782c864d834bb0f2823540318c41370c1004242e41a9c7dace
Status:
Included and unchanged
Block:
#4,368 1,645 blocks after it
Position in block:
Transaction 238 of 268
Award day:
Feb 19, 2021 (5 yrs 8 mo ago)
Value:
₱47,024,970.78
Project:
Rehabilitation of Paved Road
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 #4,368 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 - METRO MANILA 2ND D awarded it to AARCON BUILDERS on 2021-02-19.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 e52fde7d20…c7dacenow …
- 2. Block Merkle root changedstored b923c69e2b…0a1a39now …
- 3. Block #4368 hash changedstored f6d89812b4…735bafnow …
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 267 records. Each step hashes the current value together with the sibling shown.
- leaf e52fde7d20f5cb782c864d834bb0f2823540318c41370c1004242e41a9c7dace
- 01 R e592f4c6511726078739ea4eeb0ff504d816edf319a76b2619afb2576ed2c4d7
- 02 L 3c98529319b63764c1b1f1e839343f3996344d48dc831883711f11305d697056
- 03 L 7d231ca28a4518c5b630c52f7ac6afde8e384056a91c4f825a858f548f1f795b
- 04 L 3e58dc746f14c5d59174489b8bff7555599de232628eff5339b0a95b35c51388
- 05 R 66cf3bdfebb84955fa0cf7344a9d355ce4d0d7d33f3ffe983fd0b91a4a665cd7
- 06 L c59d3c20dee769cd427f9a08a492c71de4be459635a4ec7475a924b0d7bc51e2
- 07 L 745df7706774a57a206a593adc0bbe5af9f5e5e79e8c0b0f19c32082630972d2
- 08 L 211f3cf5c9bfe9ddb674a8e856a11f1dee49d025264f73ce5a4eed0734cbabcd
- 09 R e2d38afd076b63a1d577aa79b167159c4b7fdb053c55d09dc399ca680c41e39b
- root b923c69e2be7ebafd034fc28ffafe24f806065fcf325d9e561829c77300a1a39