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 ₱1.4M contract to 739 BUILDERSCities
Transaction hash:
27952caaf8079ef94a1494886578fa81055f913a633a52deed3729a28802f784
Status:
Included and unchanged
Block:
#1,066 4,947 blocks after it
Position in block:
Transaction 2 of 17
Award day:
Feb 7, 2011 (15 yrs 9 mo ago)
To:
Value:
₱1,448,190.00
Project:
Construction of Multi-Purpose Hall at Brgy VII, Vigan City
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 #1,066 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 2011-02-07.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 27952caaf8…02f784now …
- 2. Block Merkle root changedstored 90dc99faf5…6d5558now …
- 3. Block #1066 hash changedstored c7811acb63…27ca17now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 16 records. Each step hashes the current value together with the sibling shown.
- leaf 27952caaf8079ef94a1494886578fa81055f913a633a52deed3729a28802f784
- 01 R 2a22501eb10540d66b324251f42636403f64c9e0692967ab8d8d2d7fb4de470d
- 02 L 68dcf12e65ac67f965a7665df16232f0b6951539be5ba18da3b85d2f7c6fdd7a
- 03 R 46ee422b73620842f2e322d856fe7f038cb8ce46beef4d729462aee7c5ad9bab
- 04 R ce7200236d15c2d89e403bc89aecf6aee50237639c26a2f13997c706ccaea6c3
- 05 R 2bee9785bf52692ae1b1e5a2f682c7d02dc603fc76d02e1af23d1d6bb34e483c
- root 90dc99faf5569160858b12462fa27f52deccdc92185048c9fdf9c4c6526d5558