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 - CAVITE II DISTRICT Award a ₱28.5M contract to HAUSLAND CONSTRUCTIONNational agencies
Transaction hash:
a0cda982f2d7891f61d9cb2c469201bbaf29256eed2b82f0bdd84a154639747b
Status:
Included and unchanged
Block:
#4,459 1,554 blocks after it
Position in block:
Transaction 155 of 254
Award day:
May 25, 2021 (5 yrs 5 mo ago)
Value:
₱28,485,634.98
Project:
21DG0007
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 #4,459 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 2021 OO-1", i.e. the FY2021 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 - CAVITE II DISTRICT awarded it to HAUSLAND CONSTRUCTION on 2021-05-25.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21DG0007: 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 2022-06-06). 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 a0cda982f2…39747bnow …
- 2. Block Merkle root changedstored 2712709c3d…9ce817now …
- 3. Block #4459 hash changedstored 7ac0eba462…25d99enow …
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 253 records. Each step hashes the current value together with the sibling shown.
- leaf a0cda982f2d7891f61d9cb2c469201bbaf29256eed2b82f0bdd84a154639747b
- 01 L 9f1f8ee056f60459f644da44987b0b80de6c96193e576874e5c5eb1f0c1ad880
- 02 L e4d0a1ec68cb2f5a90695da26e5da59cae58d1c92421084358eccb08a21ab086
- 03 R 74be0ce3f817d87a66f290828f5b2859c971ea6c45d43c901c8f7bf826027e68
- 04 L 8ecc1d32b9d1245d2f6c166e5c4e3ca227d194f6275cc0fdfdd8aaef6a1f26ae
- 05 L ed15e3d276430e969d1f42cdf0101b6147a0d3a98e60a0ef92f3d0426e06e653
- 06 R 8cb625aab2dbcc6676a3e1601ecf5d9bf9e586949ab805dd95fbba70184cdf92
- 07 R 3285d1c39f20a336bec279ca8c64c437924094a139ce48be1baf2f1f16f940b1
- 08 L 03bc99a35b3094cf5c3dc20e2298f84589d7252854d499af53b5ce54b9d2eae4
- root 2712709c3d597baddaaac69b757fd800d611978238c60efc2f98f0be1c9ce817