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 CATANDUANES Award a ₱2.0M contract to DAWN ENGINEERING CONSTRUCTION & SUPPLYProvinces
Transaction hash:
8bc0f4e52857fe2732a17ecd96b99d69c859e483068c4f89595cf28072f47c49
Status:
Included and unchanged
Block:
#5,175 838 blocks after it
Position in block:
Transaction 179 of 342
Award day:
Jun 5, 2023 (3 yrs 5 mo ago)
Value:
₱1,995,111.56
Project:
Construction of Sitio Sugod - Bote FMR
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 #5,175 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 CATANDUANES awarded it to DAWN ENGINEERING CONSTRUCTION & SUPPLY on 2023-06-05.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 Catanduanes 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 8bc0f4e528…f47c49now …
- 2. Block Merkle root changedstored 5bec981d28…64f9e3now …
- 3. Block #5175 hash changedstored 4d056b62fc…5d5358now …
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 341 records. Each step hashes the current value together with the sibling shown.
- leaf 8bc0f4e52857fe2732a17ecd96b99d69c859e483068c4f89595cf28072f47c49
- 01 L 8b330faba5670a6d68004fd91c68c1ac37e713663ca0b2d34c8930a45ed70139
- 02 L 2bf4f96fc8710fe27b0b6f12363f85dc0a526ffbfdc74930e7d2b62b3430aca6
- 03 R 47ecef3a9c0fb6076fbc394eb84b9a0e542e2fd904953096e5141f2ca3009bfd
- 04 R 12a75b4e0264111d7c9320c73867a12839ef0172aa088d652066d6336476a426
- 05 L 36cf5716559a33a2218ac132c2149829c5fd43fbad67078fb75261d36d0845fa
- 06 L 210f97a32c9a7ae19f7dea713c150867dfa22c50a14bbcc12b0781b81d6c91f7
- 07 R 21d3ec275eac39e7a8a337dc6a1acf7fdf74d509518d3c3f1b7106f581f5ca17
- 08 L 223b5ec6c65b384496ba34d7d1d58055a5e69fa68ff1d945e960786bbb63d74f
- 09 R 9f67d4965d37ff942f9101b727baac853b734b904a7a634ff7d4ce88e5aa7fb0
- root 5bec981d28f66d5407d458ed64725cded0d9a6f286f9000daf45ff59a764f9e3