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 - ILOCOS NORTE 1ST D Award a ₱42.4M contract to DJCM CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
a2d9dbbd1687da65b19543df11e547e000ef3f100f3eae5aad029022d73bac93
Status:
Included and unchanged
Block:
#3,221 2,792 blocks after it
Position in block:
Transaction 51 of 88
Award day:
Oct 17, 2017 (9 yrs ago)
Value:
₱42,424,287.65
Project:
17AA0033
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 #3,221 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 - ILOCOS NORTE 1ST D awarded it to DJCM CONSTRUCTION CORPORATION on 2017-10-17.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 a2d9dbbd16…3bac93now …
- 2. Block Merkle root changedstored 755d6e80d8…b98ba5now …
- 3. Block #3221 hash changedstored b3bf1701f2…edc244now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 87 records. Each step hashes the current value together with the sibling shown.
- leaf a2d9dbbd1687da65b19543df11e547e000ef3f100f3eae5aad029022d73bac93
- 01 L a185cbdf52c57f0c2103edf7fc29aed06d02770a48ebc60f830b47ab3ad7a3f6
- 02 L b770f6cf64a974a660a87c3ae40187d343ae899b44c2f8bb53b380dd4fce461b
- 03 R 74e9cda6e8260e06a864c1b90b9ed55a959a834d7d468d4babb5ab4bbc86e404
- 04 R 415c830797598935cf0355aa715fd285748664f0a3c4a05e108a995e83e65780
- 05 L 302ac9f31b141e0b976eb09c19162dd74cec01495bf551ba6e64376a8717c483
- 06 L 768ea9f29c192ce96d79d01fb288ad9d098e48f2c162d1f64387e9e3328ccb35
- 07 R 84eafa61a9171100c037e0c3d1cf1c74567258dcdf947481d91888410360a169
- root 755d6e80d802e6b0abb47ac5028eec61327eb5e7e9e7397cadd451d24eb98ba5