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
CITY OF TANJAY, NEGROS ORIENTAL Award a ₱998.8K contract to PER CONSTRUCTION AND SUPPLYCities
Transaction hash:
962652297b6eb786efd9e69a9c1746862f65f275566d3640637cbe83de09228a
Status:
Included and unchanged
Block:
#3,913 2,100 blocks after it
Position in block:
Transaction 237 of 390
Award day:
Oct 21, 2019 (7 yrs ago)
Value:
₱998,839.43
Project:
Construction Project
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 #3,913 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)CITY OF TANJAY, NEGROS ORIENTAL awarded it to PER CONSTRUCTION AND SUPPLY on 2019-10-21.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)COA's CY2024 audit of City of Tanjay gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 962652297b…09228anow …
- 2. Block Merkle root changedstored 95345b9511…8110bfnow …
- 3. Block #3913 hash changedstored c772685cda…d6d185now …
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 389 records. Each step hashes the current value together with the sibling shown.
- leaf 962652297b6eb786efd9e69a9c1746862f65f275566d3640637cbe83de09228a
- 01 L 950a7d14d30af76e9da9ec9b43b13b216f28c248fd10b19fa962e6c1aec6b29e
- 02 R 6e524896196c7a24104a38768dafed8f262d8438ebdd1413fc70a3e4d8d3ecaa
- 03 L 565bde86fb60a70d8e24244fe53fae6c30a83c91d16c5f69f2f7330b560e28b5
- 04 L 3674dedb675db08b18ea3bad7522ad112c29800d07fcdf5b1808384c1f46b1f5
- 05 R 3594766e9b5f599afaf7be2d9979e558cb23a776973a1fe70d8ff1a40a500cb4
- 06 L 53482238792559f2bdbbdd71bc3c1c3be3014735b7b05cdedc53a5ce30117ad8
- 07 L 6495799ded51dbb27b05b6d9239ce7b268a8f03a11e9b5f4f385ef2f88f53a5d
- 08 L b2b824e8dce23772391bff9319abc71f59a6f1e0f41a7e124150c19251333767
- 09 R 1d295eeb0f6db7e7de76051d94bad3eb40e36c8f07736fb4e9f31bc28b43143c
- root 95345b9511e1de32b7d6d4e0facd7753c29bb01d45965eee60581909718110bf