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
PROVINCE OF ILOCOS SUR Award a ₱472.2K contract to 739 BUILDERSProvinces
Transaction hash:
6e987b546bf7ee2b091ced8af60b0921eb055c1ba7b326b495bbdfb6d834d6a9
Status:
Included and unchanged
Block:
#3,280 2,733 blocks after it
Position in block:
Transaction 250 of 510
Award day:
Dec 20, 2017 (8 yrs 10 mo ago)
To:
Value:
₱472,189.48
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 #3,280 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)PROVINCE OF ILOCOS SUR awarded it to 739 BUILDERS on 2017-12-20.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 Ilocos Sur 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 6e987b546b…34d6a9now …
- 2. Block Merkle root changedstored 38291dde57…7c4c22now …
- 3. Block #3280 hash changedstored a1fb401247…1fedcfnow …
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 509 records. Each step hashes the current value together with the sibling shown.
- leaf 6e987b546bf7ee2b091ced8af60b0921eb055c1ba7b326b495bbdfb6d834d6a9
- 01 R 6ebbb2a362378bae83051ff7bea22021be885a57ebd2bf434e4f1a9ee26921ce
- 02 L 76002964caf99e8cf3e777dd3ad11d12c1a7f09c789fb3889b04629a66730c83
- 03 R ea079429f8abc1eea09c6ab5bb1309a508c6586df9717c644df78e0e7002081b
- 04 L ef5e9717101dff87f2794e65b7f7998036d6c5bfe23ce480e87d8a74e65c5088
- 05 L d49ed50ad892fbe65f8922a2f5d12668dee4e5a42bbd72dd5bdcec435e8276ef
- 06 L 2808c4f1e3aeda1ef84b3d221cb588dd4d4e78ea1ac8272f5e2211af36f09b9c
- 07 L 85ac021768e5efe550ced641510d34b9e389a6cd68fa35842e06a881d6a7904a
- 08 L 4221f6ac76aafe1c183b21f25e68d3817e5ce157ca531ce67916d7a63f378a68
- 09 R 25a8c7ec92352dd757d6c28e5021bd63b3123ac96b13857dd7bcda14f679b7d1
- root 38291dde57216fe5129d23e6a8be169f61a445af9f0dcb49f26caf7da57c4c22