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 GOVERNMENT OF CALAPAN Award a ₱896.5K contract to SGDG CONSTRUCTION AND SUPPLIESCities
Transaction hash:
f9eff7cefc011d21de7ecf4e964f00c2ed9af63ca16c1da5ef233ca29a86d16a
Status:
Included and unchanged
Block:
#4,929 1,084 blocks after it
Position in block:
Transaction 195 of 202
Award day:
Sep 26, 2022 (4 yrs 1 mo ago)
Value:
₱896,487.30
Project:
construction of drainage/irrigation canal purok 5
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 #4,929 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 GOVERNMENT OF CALAPAN awarded it to SGDG CONSTRUCTION AND SUPPLIES on 2022-09-26.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 Calapan gave a "not stated" 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 f9eff7cefc…86d16anow …
- 2. Block Merkle root changedstored 93c472d7cf…ada46anow …
- 3. Block #4929 hash changedstored 4d7d213f65…ac8de2now …
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 201 records. Each step hashes the current value together with the sibling shown.
- leaf f9eff7cefc011d21de7ecf4e964f00c2ed9af63ca16c1da5ef233ca29a86d16a
- 01 L f9abb822a7769f95a147cea7ce0e8c69ed90b39fb0a19a3d0d9bc70b9de653bc
- 02 L 746f608ad748edc32b7e975ad697aa113ad769f05d59b7e259d4ea4d8694faec
- 03 R 5e94346e5673b0877981832239a24ef860b3eed4293dedba221fb3fc757965e9
- 04 R 470abb9474613368c68cd6675cc49d839f441366bc758794622ce1691ce94c13
- 05 R 49eab147470c54662d5a69ca3d2191b8e7403b44622867b01166b519b40d5051
- 06 R 1bd5633bad2df80c39dfb7ccb83633c946ba94dfd74ca772796a417c1699aca8
- 07 L a4341ccaf5e69af544ae442280be243e8e3e4bfb2a81f28d03638360858ad80d
- 08 L 20bcbe0acad29f2184b7fa4ebd667c94c886c2ca8c0fbbae3a84af4fdc043f9d
- root 93c472d7cf5e5ba1d34327b6a0a4c49600c93c437441d21232a680724dada46a