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:
82b7e6dd47d2a9f2f2843ca2b21578387f00f26a5cff1afa6373cfb15536a62c
Status:
Included and unchanged
Block:
#2,140 3,873 blocks after it
Position in block:
Transaction 32 of 61
Award day:
Jul 29, 2014 (12 yrs 3 mo ago)
From:
Value:
₱1,146,800.76
Project:
Supply of Labor, Matls. & Equipment
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 #2,140 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 2014-07-29.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 82b7e6dd47…36a62cnow …
- 2. Block Merkle root changedstored 503730c875…64a875now …
- 3. Block #2140 hash changedstored ac55bb1ccb…9ce583now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 60 records. Each step hashes the current value together with the sibling shown.
- leaf 82b7e6dd47d2a9f2f2843ca2b21578387f00f26a5cff1afa6373cfb15536a62c
- 01 R 8e97d185593b40e5df4522e38ad2cc05d7981808d1b4bcba02c655da8adb3cef
- 02 R 5d68374d61aef9c7e7aedc48cfc9526367698b91eb819050af8999d4b28da637
- 03 R 1c872ac80135e036cd080d74d89eac98c1eb1d05d18dccae874d8730d211f395
- 04 R e3f242d81f233909e0a04fcd4668dda9f88bea3a49ac1e8ff085965fb8edbe35
- 05 R ebe436beee04dadfd73cd2f2c6f395ee2f6d2e0a3471c6b78b477618635dc84e
- 06 L 9b7096e835e1e025ce5b12b6908fb096309d13644614c30038f2dd0f2758fa71
- root 503730c87521a5ad91c48df9edab32bde1b7e1d6bc590185e598f08b3764a875