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 - BATANGAS IV DEO Award a ₱1.1M contract to ROMABUILD ENGINEERING AND CONSTRUCTION SERVICESNational agencies
Transaction hash:
3a29bc2bfdfb11ffe29a21534975946c8ecd75f3cc439b269f8190e04a10bd91
Status:
Included and unchanged
Block:
#3,564 2,449 blocks after it
Position in block:
Transaction 55 of 181
Award day:
Oct 17, 2018 (8 yrs ago)
Value:
₱1,146,531.36
Project:
18DD0655 (Re-advertised)
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 #3,564 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 - BATANGAS IV DEO awarded it to ROMABUILD ENGINEERING AND CONSTRUCTION SERVICES on 2018-10-17.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)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 3a29bc2bfd…10bd91now …
- 2. Block Merkle root changedstored 53f43ea3f1…98b8c6now …
- 3. Block #3564 hash changedstored 312a71c0ec…5d917dnow …
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 180 records. Each step hashes the current value together with the sibling shown.
- leaf 3a29bc2bfdfb11ffe29a21534975946c8ecd75f3cc439b269f8190e04a10bd91
- 01 L 395a4adff4fca3e888d19545f285337f457a026019f11f9400538b31e178b324
- 02 L 334c7a0e639978707ccdb0b8aad0469234713429e72c43f0be3a60ae6f9ea5a7
- 03 L b2fadf61ec3695c4201ab96d51df1f719385950d9b03cb1c8fb22600fe2a6a90
- 04 R 32f76497e0791c1e7b468d4844fc726de99a768553bc317b988eb8feb72f65aa
- 05 L 516383523c0da32f135a04ba201c0651900279d56ebf38c067948ad249e343e1
- 06 L e13128fa12aeeef1286f0100f002e2a3e4106cd022b78752b2a894d83aaf6908
- 07 R bfa1516a1f1a7d4e6e5218d2462fd89b08dadd15851cb9ed258d7efdb1a5582c
- 08 R 4c00919bcc9941d1d0c2e558d924164bcfd401567f4a237a063ba10f4f6596d9
- root 53f43ea3f111199235b540cbaa593cabcd3215c81806de33de1e86c4e198b8c6