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 CANDON, ILOCOS SUR Award a ₱2.0M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESCities
Transaction hash:
52abb488a6f17d2e2db596106fbbc312f6e528db44f17cff0b752d6561e5e8e7
Status:
Included and unchanged
Block:
#2,415 3,598 blocks after it
Position in block:
Transaction 43 of 169
Award day:
May 25, 2015 (11 yrs 5 mo ago)
Value:
₱1,988,836.99
Project:
Infra 32015-3
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 #2,415 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 CANDON, ILOCOS SUR awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2015-05-25.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 Candon 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 52abb488a6…e5e8e7now …
- 2. Block Merkle root changedstored 7a6abffeef…7ba758now …
- 3. Block #2415 hash changedstored 0c4257c0eb…975cd0now …
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 168 records. Each step hashes the current value together with the sibling shown.
- leaf 52abb488a6f17d2e2db596106fbbc312f6e528db44f17cff0b752d6561e5e8e7
- 01 L 527fe4a162a1154869ca4ec8d5e9e53e660ae774cdd0675f3963f2b1dae9b64c
- 02 L f1721767457002af258df288c7a428e19bb62c11f31fc24e92746bb2bfa2e7de
- 03 R 80738c5f3e07c73cd37104f47c1463bbee951c71a9cc45e27527d6af3d9b77be
- 04 L 18c583fe54bbc4914d62ac837b660c7c98b6b34d3b17c591777ee1c6d912c632
- 05 R 833c9fa35492867aec72705515a6cf919bdcf98394caecaaf71b437d344c67fe
- 06 L 7f21d5ef2e7d8cf448324dcf63a078b77bc0034081926c1dd9498dd003b8338d
- 07 R f8b33863b638a3ecb8abf4140be1e70be7e185aa85049f934265f15b3182343d
- 08 R 2467476fa9d238a41736ff51f7467561d5a90db06ab1edcfeaa937575efa5eee
- root 7a6abffeef1ac0129a2d48c710daf33d954bde6ae9c5888c2a5e2c810a7ba758