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 - DAVAO DEL NORTE DE Award a ₱66.0M contract to MAER SUMMIT KONSTRUKT CO.National agencies
Transaction hash:
3c82f0d30bc2ee2cd7d482cc8b8c24cb8dab7613e3e3de8912f19736a7cd48e4
Status:
Included and unchanged
Block:
#4,288 1,725 blocks after it
Position in block:
Transaction 166 of 694
Award day:
Nov 23, 2020 (5 yrs 11 mo ago)
Value:
₱66,043,467.19
Project:
20LC0026 - Daang Maharlika (MN) – K1459+700 –
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 #4,288 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 "Regular Infra - GAA 2020 OO-1", i.e. the FY2020 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 - DAVAO DEL NORTE DE awarded it to MAER SUMMIT KONSTRUKT CO. on 2020-11-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20LC0026: 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 2021-10-28). 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 3c82f0d30b…cd48e4now …
- 2. Block Merkle root changedstored c993eae7cb…15c4f4now …
- 3. Block #4288 hash changedstored 990cb5ffc4…64e2fdnow …
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 693 records. Each step hashes the current value together with the sibling shown.
- leaf 3c82f0d30bc2ee2cd7d482cc8b8c24cb8dab7613e3e3de8912f19736a7cd48e4
- 01 R 3da8ee2690bed5433cfa9a6eeb5d78af37b65578bdd10b5d18d84729965bc78c
- 02 L 0485e206fdd9b26715090e2a1684627d4fe041dfb81c229f8edc0678d0c7cf0a
- 03 L 71559af0e310d44796d53699c650b21db40182a1f0a16c9ee7c790a258092b90
- 04 R 2d1fc9128f28b0c313335e9dceecdaf05bb474bf44259dfb57ad1b2b98d92cd8
- 05 R 7d6c55538902c2a0c7e130490fb85bbb2ad4f0ec4dc1579aa788d969fd4b3871
- 06 L cee2e0d40c2e38c64f0faec0f2a97ee7ad8815f63b62292e5de67d556ebdca33
- 07 R 9ec97aa6b3e4377c6ef8b861773b5e6fdcd52d57dd67c2d12dfde7e3266bd10d
- 08 L 2546007ac15a728453cd25ce6d97a624aaf62b4da8fa83a1df94bc6e8cd9e977
- 09 R 794805012b91170948346540e4c998df9592915c6b654c7e8b1155c653ef2389
- 10 R ea82c3f68c10390911b4183a731e049f7983c87136ffcea1eca9181959eef6c6
- root c993eae7cba6fae0d01c668881f2a43db244c3cfa2c80971688853dbaf15c4f4