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
MUNICIPALITY OF TAGKAWAYAN, QUEZON Award a ₱2.5M contract to N. Q. VILLAPANDO CONSTRUCTIONMunicipalities
Transaction hash:
bf5b2ccfcd0bd42bc736be5f46004cfae6b4a7d338702db3fe386c6122e9a978
Status:
Included and unchanged
Block:
#4,509 1,504 blocks after it
Position in block:
Transaction 164 of 223
Award day:
Jul 16, 2021 (5 yrs 3 mo ago)
Value:
₱2,494,981.32
Project:
Construction Project
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 #4,509 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)MUNICIPALITY OF TAGKAWAYAN, QUEZON awarded it to N. Q. VILLAPANDO CONSTRUCTION on 2021-07-16.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 Tagkawayan gave a "unmodified" 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 bf5b2ccfcd…e9a978now …
- 2. Block Merkle root changedstored 58aa70957d…fe707cnow …
- 3. Block #4509 hash changedstored 720bb2c18c…a0f559now …
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 222 records. Each step hashes the current value together with the sibling shown.
- leaf bf5b2ccfcd0bd42bc736be5f46004cfae6b4a7d338702db3fe386c6122e9a978
- 01 R c474d3713ecaf68062a0a0be2b7ffea2952bebb3e5efa6c36df3ab462af1ccc4
- 02 R c77c84d68918e435bd0c1358d3a98f02dec00297ae773d6d66f65f1a510454ff
- 03 L 91bf4db614e2ac413c9d65fa7ad3298f7fc5149d006c4ca0c9c470a1a849c712
- 04 R 6a034820a75c652d5ad9dd4149219980e298f2c6900348e6393f4c3bffc23fa0
- 05 R 09b3e5ce70bbaca608e273e9096faa5d9ddf191779ce8d1a3bd5612b677e6bf1
- 06 L 437b911a0fa940579b5b86e1ac6f37f4aa5da0e0387e7dca19694112401202e3
- 07 R cfcedd55199075b65092695384be7b5a77ded73a21ce6d117e53f1109e85d776
- 08 L 41a0c9026d05a634daf8465e9d0f328b0bb75f0b4ef25e8fe06d65c1e0505532
- root 58aa70957df8b50ecd4a9a9eb3e5f724bd8ff346f5d1ddf5f4ccb52d4bfe707c