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 NAGA, CEBU Award a ₱1.1M contract to A.T. MACROHON CONSTRUCTION COMPANYCities
Transaction hash:
ce4e063dc71d300e3546a753e6cf3dd1cf1b72c2bfd24d24f9003274b08d29da
Status:
Included and unchanged
Block:
#2,301 3,712 blocks after it
Position in block:
Transaction 155 of 183
Award day:
Jan 20, 2015 (11 yrs 9 mo ago)
From:
Value:
₱1,144,463.01
Project:
Brgy. Road Concreting
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 #2,301 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 NAGA, CEBU awarded it to A.T. MACROHON CONSTRUCTION COMPANY on 2015-01-20.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 Naga 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 ce4e063dc7…8d29danow …
- 2. Block Merkle root changedstored ae4a0253b8…24d152now …
- 3. Block #2301 hash changedstored 36b3455f10…f6fe43now …
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 182 records. Each step hashes the current value together with the sibling shown.
- leaf ce4e063dc71d300e3546a753e6cf3dd1cf1b72c2bfd24d24f9003274b08d29da
- 01 L ce1adf514955979975262762a6f9c30870409339716302714839e0b4805fc9ca
- 02 L b644cab0f80bdb34b34b850af4cd26521e0e3f1d15f6c79241c4f7c5ec241968
- 03 R 989b0cb2337e2bc7da4ab1a2307b316ef55c75926d49600895acc95b31627315
- 04 L cd7fae06afb5d930bcc23a3149636ae7923a6f97a5232e20ffd9310e9c5e0c28
- 05 L df7325e846515747679ada09319cb6775aac301a7c4015e638d3e4d55871a7f7
- 06 R cec3bf4e618b2679106f01389b76dc1ddab0e030a8c7653982d5de0e3c774a5c
- 07 R b1c5542b0d7e9f3fcf62e3124c2996c4ba329c74ed0e8daf8a6d81bd96113045
- 08 L fee0d892ad1a8ba44a2e6b4e29695399a1147cecc9e3760ba85f3de572a0d4ca
- root ae4a0253b891685ab0201370ad3e0f1dcfc358ad1ff5e5416a927a55eb24d152