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 NORTHERN SAMAR Award a ₱288.9K contract to AREX BUILDERS & CONSTRUCTION SUPPLYProvinces
Transaction hash:
a13b2b3e2bdff1c7c3acc7acd6c014aae210ab38905c93de2388ff69110024fc
Status:
Included and unchanged
Block:
#1,695 4,318 blocks after it
Position in block:
Transaction 190 of 314
Award day:
Mar 5, 2013 (13 yrs 8 mo ago)
Value:
₱288,853.20
Project:
street concreting Brgy. Balud
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 #1,695 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 NORTHERN SAMAR awarded it to AREX BUILDERS & CONSTRUCTION SUPPLY on 2013-03-05.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 Northern Samar 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 a13b2b3e2b…0024fcnow …
- 2. Block Merkle root changedstored be3fe05a7b…301a79now …
- 3. Block #1695 hash changedstored f3475872cc…82475anow …
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 313 records. Each step hashes the current value together with the sibling shown.
- leaf a13b2b3e2bdff1c7c3acc7acd6c014aae210ab38905c93de2388ff69110024fc
- 01 R a2a2074de131539d62a7b1adfcca7926d3f3bf1db802fba29c1ddc9a4748fcbb
- 02 L 0dfdeeb2ed106ad38f10e8c6af2b29fad8c80fa0f0341b41b4659db63bbe3f3b
- 03 L f006d059d2d67943d344d1d328af661c0deaa586975d048ac21fddea93af8d74
- 04 L 2299b7a6089bb0f11fb719e72120c824d0ce19dfc4f3dd46caef5ddc7a8e69ed
- 05 L e6e6338e5acb61a9cfd5c79a65aa74b920a18c7b73657a0cdef143e54d52c978
- 06 L ef9d7c49c913807160a63332e1f2f6b348338c91c26550c49a9b988c2c67829c
- 07 R bb9c9257b40fba11f55bb732c595835c41070f93cf72aef0ee0682a24e88b1e1
- 08 L 5790628d155a443ee34a71043ed630d1607713212647b2607475ed1d3bab2ab6
- 09 R 7f92c47cc53cdded36d46fc1f825938244ef0a9e2946f9e9d83f7a4f8843ce18
- root be3fe05a7ba346e287522ba91d120345d8ac1f349cf524a3585361cb1c301a79