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 CITY II DEO Award a ₱19.5M contract to MARK ANTHONY CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
893a244ed8616aab99bdfc8f1f6cf7393b238dcaf9df05a406988db1e52c6904
Status:
Included and unchanged
Block:
#4,840 1,173 blocks after it
Position in block:
Transaction 187 of 304
Award day:
Jun 28, 2022 (4 yrs 4 mo ago)
Value:
₱19,502,153.10
Project:
21LH0126
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 #4,840 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 "Outside Infra - Trust Funds 2021". 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 CITY II DEO awarded it to MARK ANTHONY CONSTRUCTION & SUPPLY on 2022-06-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LH0126: 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 2022-12-20). 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 893a244ed8…2c6904now …
- 2. Block Merkle root changedstored 2489375473…ad0467now …
- 3. Block #4840 hash changedstored c2c0ebc075…2fc337now …
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 303 records. Each step hashes the current value together with the sibling shown.
- leaf 893a244ed8616aab99bdfc8f1f6cf7393b238dcaf9df05a406988db1e52c6904
- 01 L 88bea94f7cef056276f75472492876d3a2709d2d35c1fb2c525d1eaa73f2914e
- 02 L 8968123a8b8c4ba055e2a56b1f6a1ffa4386795440f269bef61abe8d32ac4fd3
- 03 R ba0b31d1bf3c00955ef1f3fee584eb434014f7ca20e1bf2b52be6b8f24aebecd
- 04 L 107560c22c82381b139cf1da5237c6fdc642e102fc44c2200429c141e279b5a8
- 05 L 21d3f74aad31d349ffb0ecbf4cc1df2c4a1029b1aea8d5f533c911666f29cacb
- 06 L 566fed4287206e0f196fa6b2094dee59b55a40941594121afbec779693b3068d
- 07 R ba323ea43e806b529364014cacec4021f0bf470a02fdbe6b58691e60bbbec67e
- 08 L 36aef40494c950ef44a29eb39ecfd974bc4f00f2bddcffd314a29e90c8748749
- 09 R 79bcd36be0ed788c522ad15740f6d4292df4d8a37fc2b5d3cd75aaede74d3dcc
- root 2489375473212a950e6b78e150ef8ec93a24957697fab8349fc0825cdfad0467