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 VIGAN, ILOCOS SUR Award a ₱76.0K contract to 739 BUILDERSCities
Transaction hash:
8c7e15ac833b889fcebbf4e7aa3263f230d7fd94c9095db101f0503ba605dc67
Status:
Included and unchanged
Block:
#1,978 4,035 blocks after it
Position in block:
Transaction 33 of 62
Award day:
Jan 21, 2014 (12 yrs 9 mo ago)
To:
Value:
₱75,954.82
Project:
Construction
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 #1,978 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 VIGAN, ILOCOS SUR awarded it to 739 BUILDERS on 2014-01-21.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 Vigan gave a "unmodified" 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 8c7e15ac83…05dc67now …
- 2. Block Merkle root changedstored aaf840966d…ffefa8now …
- 3. Block #1978 hash changedstored c059b14e39…2dd3ffnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 61 records. Each step hashes the current value together with the sibling shown.
- leaf 8c7e15ac833b889fcebbf4e7aa3263f230d7fd94c9095db101f0503ba605dc67
- 01 L 88dfa45322aea535ac82c43436fc795673bc30d38d20fb9671d073cb88d0ffbe
- 02 R cb76c9cb3c128b64ad05d2e9e5d7f8bf8f3d08fecd7ae0b919839d9ac1dd8510
- 03 R d13afe2f1a625273daf5130b7bf3194b8fc1908fcf0a0705a82072de41661658
- 04 R 686603c1e084f6d4daa0d44d79d152be982e72114b7961d0afb602b045e621e5
- 05 R b541f7532e6df3a058d5aba46332041505d5c2caa4e01afae9475dfe85d1c95b
- 06 L b2fe689cc947d44e568ef72c9ecfd9af11f8ee40a4abcff6496be81f1dc902f9
- root aaf840966d16e6e06ae07dfb6b0fe03cf5716fe57d213c9e4a5fc40e5dffefa8