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 ₱1.6M contract to MBB CONSTRUCTION & SUPPLYCities
Transaction hash:
e148fb0b62e70efdd5732aaf8a036212ef615c71a9bc6006331cf3748a630bf0
Status:
Included and unchanged
Block:
#4,742 1,271 blocks after it
Position in block:
Transaction 480 of 551
Award day:
Mar 10, 2022 (4 yrs 8 mo ago)
Value:
₱1,611,962.91
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 #4,742 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 MBB CONSTRUCTION & SUPPLY on 2022-03-10.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 e148fb0b62…630bf0now …
- 2. Block Merkle root changedstored 7a43484e33…a6ded1now …
- 3. Block #4742 hash changedstored a65692553d…b1df44now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 550 records. Each step hashes the current value together with the sibling shown.
- leaf e148fb0b62e70efdd5732aaf8a036212ef615c71a9bc6006331cf3748a630bf0
- 01 R e16d729ac29052bd03ce1c306543c8de88159aa82ec06caa59a7366a88e117e2
- 02 R 47547d24923ddc2d355f4263dfe179a10be58baf090dfff1e7d828b971a5154e
- 03 R c9e92d9135b5b9bdc5883f886c8ea657d9487e1f880e800aacb0875521c0e12d
- 04 R b0fdda9b270f601117866df4c506a44e1b105b4af938cf53745b9e3f17af963c
- 05 R 05c0ebd3b1d87279b2cde1d243d8a412155df915125e32158ee416f1ce1aa978
- 06 L 5fc22fc61ad8c8523619eebd29b822392e00f816e6c7298537f783f14ff69ea7
- 07 L 4b9b61680fe325e7a0c57e4d3d45cffe6a526562a92dc207699aca6fe13ea860
- 08 L 0963a86c5b57369fb5a18d02ed03be5bb98956c5b2cf11a9a1de8ead6a4963a8
- 09 L 606806657decfdb1d6aadc0aa9e6c9d00804b39b7d5941f489ff20f373441168
- 10 R 382a411762afc40a6e35f41c27cf32ee9e718e41bb912084c181d505d5ba514c
- root 7a43484e33b9d52e38187917bc5d343881f0eb63a396fc956048d5d331a6ded1