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 TAYABAS, QUEZON Award a ₱2.7M contract to R.A MENDIOLA CONSTRUCTION & DEVELOPERCities
Transaction hash:
ab8790650d1bcb512cb4ef3a5e17fbd715f5338120540bd6bea514cb2b34a3c5
Status:
Included and unchanged
Block:
#3,280 2,733 blocks after it
Position in block:
Transaction 357 of 510
Award day:
Dec 20, 2017 (8 yrs 10 mo ago)
Value:
₱2,711,856.28
Project:
Construction Projects
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 #3,280 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 TAYABAS, QUEZON awarded it to R.A MENDIOLA CONSTRUCTION & DEVELOPER on 2017-12-20.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 Tayabas 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 ab8790650d…34a3c5now …
- 2. Block Merkle root changedstored 38291dde57…7c4c22now …
- 3. Block #3280 hash changedstored a1fb401247…1fedcfnow …
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 509 records. Each step hashes the current value together with the sibling shown.
- leaf ab8790650d1bcb512cb4ef3a5e17fbd715f5338120540bd6bea514cb2b34a3c5
- 01 L ab72e269536066164d0a35c6bca66711d049a841be5e4d32d7957aabb6ed63ad
- 02 R 7337f2870f255ab157944e1b8714db879eaae47030f512a9c6f43662e369ba9f
- 03 L 140420803e8d845a8674a10a7b9603ccc0ee5ba992840d768cbed5f6d3a08a1a
- 04 R b3d74360982e9c81e25e51ce09cb87d1c12289f4483807f6bee4942aa6b00677
- 05 R fdcd67d78a8fd85e36fc5b4411ca9c685d64b8e1a657bf00893293cd3ac2b58d
- 06 L 762ab0d3903219fea634a13424ec25510461d8fcbdfbf8e6e045b3f70bd81947
- 07 L c539751c57f2505091db5365be16a9f28b20162649ffe0f99f4c82a46a095c25
- 08 R ab91cafd7451d794d24ed0fea0b018c6533b9ba1db767e0c735f5fcab735a037
- 09 L 65c09e1fb811afa924253984f9b59828aa4e0bd49d29aa67eb321c2a809a58b2
- root 38291dde57216fe5129d23e6a8be169f61a445af9f0dcb49f26caf7da57c4c22