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 ₱781.8K contract to 739 BUILDERSCities
Transaction hash:
b7e5be16cd37f141790713f76dddee5080c3b52b841a8ece6055c10fc6163860
Status:
Included and unchanged
Block:
#2,665 3,348 blocks after it
Position in block:
Transaction 123 of 166
Award day:
Feb 17, 2016 (10 yrs 8 mo ago)
To:
Value:
₱781,817.40
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 #2,665 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 2016-02-17.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 b7e5be16cd…163860now …
- 2. Block Merkle root changedstored 6f09602a84…0c617cnow …
- 3. Block #2665 hash changedstored a9d31916f4…7e921anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 165 records. Each step hashes the current value together with the sibling shown.
- leaf b7e5be16cd37f141790713f76dddee5080c3b52b841a8ece6055c10fc6163860
- 01 L b6331e42fe59430d990891c93d7eb57082ad9f0cabcdd49c6df40a68bd1409fb
- 02 L f6e53f00371ef4459f3cba2d0904cb5548f2f9455067d44a6fce95918b97e0ab
- 03 R df8cba34a98d98c47fabaa2a0b51381c022dc47e0cd30280766ad0090d1163c6
- 04 L cee208214028bae4e329bf25933255ddc592f1fedab18cbfb5a5fdeb19fc89c1
- 05 L 16fe1b42a62223caf53e6fa78fa85937953feb1dac92e3f51da397f0dda80f9a
- 06 L 29cf5f76bb5c35ba9a99f04e898ba7324f6591ba1b55446ddf0cf6cf0fa06030
- 07 L aab9686c27c978234f200d1c6f54afbf0f5802a34ac6396b097821f45c86a677
- 08 R e4fd660bc56369b375b20599b638724451cc7f6b1ae9fd2e40ae049244c7fc83
- root 6f09602a848109f20125776e4b68eb0602a143a353666c96794ea45d6b0c617c