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 - TARLAC 2ND-DEO Award a ₱32.6M contract to B.K. SY TU CONSTRUCTIONNational agencies
Transaction hash:
c6a79bfa769aa8d7f5e7d844c2f2d0bc102f09a1fb7424024b4d34bbcae21d80
Status:
Included and unchanged
Block:
#3,319 2,694 blocks after it
Position in block:
Transaction 618 of 779
Award day:
Jan 29, 2018 (8 yrs 9 mo ago)
Value:
₱32,580,943.54
Project:
18CK0012
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 #3,319 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 2018 OO-2", i.e. the FY2018 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 - TARLAC 2ND-DEO awarded it to B.K. SY TU CONSTRUCTION on 2018-01-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18CK0012: 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 2018-07-11). 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 c6a79bfa76…e21d80now …
- 2. Block Merkle root changedstored eed78dfa72…3b4880now …
- 3. Block #3319 hash changedstored 8b34b8068f…08c0ebnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 778 records. Each step hashes the current value together with the sibling shown.
- leaf c6a79bfa769aa8d7f5e7d844c2f2d0bc102f09a1fb7424024b4d34bbcae21d80
- 01 R c6d4d4a797208295fa1cf87fc21b67078f4bb5c766a2e0dda2c908d6cbd9ba20
- 02 L 76ed9e7b9e2f6f0f805e327beedbb7ff6082c84a8f6d89aa740c36ad82f4aae2
- 03 R 283532fbf5c31515fb773b536bcf47fb549973cda86c47e29c16ce7ee8bdaeda
- 04 L e9e7ad1977d925fa8e9dd70c6ecb10d44eeac5b7b9cecf5513d042d66ac87183
- 05 R 51e31d0f297ec4f24b48d0c1474f328da7738a1069a3ec0e6bda79f5e08e6cf1
- 06 L 8f5d35c88ec82133ff4b07bceca502edf4f60ae17a87ac3e56086bfedb7367fb
- 07 L ee3b75ddb179239ac5cc7198139f415b0792dd74491df64feaa5c753cb792dad
- 08 R 23755d3e751a84ceabaf0a6598e82cce2491659f91cdc1fce418d69bd6af2e3a
- 09 R 425bda0bfda352bbcf78c4ad1d99abcdb6bd78564cbc9dee1eb0530e1ed9367b
- 10 L c1c91e9889ce108bc2e9f322c37a308bbfe02e957a6efbb387c101ea17e13764
- root eed78dfa72e777481c09dab540c318f38a8dab18b61093b1ea666625cd3b4880