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 ILOCOS SUR Award a ₱4.9M contract to AMBROCIO CONSTRUCTIONProvinces
Transaction hash:
11285a67671c493ba2bf1b6b14d396730e6a970611f04b263798d72715a00ed7
Status:
Included and unchanged
Block:
#5,102 911 blocks after it
Position in block:
Transaction 31 of 501
Award day:
Mar 24, 2023 (3 yrs 7 mo ago)
Value:
₱4,884,089.66
Project:
Construction Projects
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 #5,102 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 ILOCOS SUR awarded it to AMBROCIO CONSTRUCTION on 2023-03-24.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 Ilocos Sur 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 11285a6767…a00ed7now …
- 2. Block Merkle root changedstored f0c0ccf3e8…9ff69cnow …
- 3. Block #5102 hash changedstored 2cfcebce7d…ea884anow …
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 500 records. Each step hashes the current value together with the sibling shown.
- leaf 11285a67671c493ba2bf1b6b14d396730e6a970611f04b263798d72715a00ed7
- 01 L 111c39619b835c5bdb9104fd76bc94c66dc72e908c8042db54cc20769d3834c1
- 02 L 36fda6ca2452a1fc3fb46929fb27e0da36da3f676b147fcfca30e6680ca9d933
- 03 L 78261791fb5e1fab4ecc5e993458ea2c26c646e4eeabe98384241a49bab33a1e
- 04 L 957ac5d57448893eed71047ff926d6f7d54a030174d908d57570d660fce96579
- 05 L 9b0bfc683fd1b2ac192bbd04e0797dfa35e81230a0ea0df47091f5df23e33c76
- 06 R 4314773e394e99711324b8410e2af55f4cdf0c63a1df731277fc12baca700990
- 07 R 9d701f49fc899167b2b64cc685e9fd8f467ee924ed24f4288895f4cf8212446b
- 08 R f0fd088c83e483cd5fab97ec3c2c25c35da48133842ce1e4cf7c14118026aafd
- 09 R 205ff6f9b0e02a1f1d71a88f378a2996f05c01997d69605752e7bf1c387121ee
- root f0c0ccf3e8c5de5f287ac26fc7caf1a7a3204cd8dfa203d1d3087254f49ff69c