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 - TACLOBAN CITY SDEO Award a ₱21.8M contract to COLLERA CONSTRUCTIONNational agencies
Transaction hash:
06a8b9c8b7f0ea08078e8814200db0db32730e2b2f71c7d8ea3a510c496b4cf2
Status:
Included and unchanged
Block:
#2,897 3,116 blocks after it
Position in block:
Transaction 5 of 176
Award day:
Nov 3, 2016 (10 yrs ago)
Value:
₱21,807,730.13
Project:
Const. of SB-Sagkahan NHS Twelve CL
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 #2,897 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 - GAA 2016 DepED BEFF", i.e. the FY2016 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 - TACLOBAN CITY SDEO awarded it to COLLERA CONSTRUCTION on 2016-11-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16IM0033: 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 2017-04-11). 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 06a8b9c8b7…6b4cf2now …
- 2. Block Merkle root changedstored 9c131791ad…12cbf9now …
- 3. Block #2897 hash changedstored e5987f2cb5…9e3777now …
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 175 records. Each step hashes the current value together with the sibling shown.
- leaf 06a8b9c8b7f0ea08078e8814200db0db32730e2b2f71c7d8ea3a510c496b4cf2
- 01 L 0504256b29331b4ecb7aab934887956a00f8712a9314d9f881806d684f46cb9f
- 02 R 7e5acd21243e35be896d0e721081743d98c5a2e5ebd9c1e4ca7e23d7990796c5
- 03 L ae5b5c1287290430563bf227d159b2f2d9d45f905532d065a64333745298e86b
- 04 R 181fc4324eb2575788b2b9c9b771ad4711a10b47d08714402015588473408157
- 05 R 519999fc558d498ab4ece3a5e1b14d6375363e16aadb2ff713406b07cd78bc8d
- 06 R 983805c104c78a480e2fca56bd4817ea55a48fd87caf5f6148584c1e80aa4f18
- 07 R feaf021298be378989c957d1d316bc246a1313b9d793687962b938cd6f07d5c7
- 08 R bfc44e7c623fe8721d97c285e35d37f347e8a69f848ec75d8e29b957fdd248de
- root 9c131791ad57309b87d2cda3b15ef3b3115025bdd31f760347be86a17012cbf9