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 ₱12.5M contract to TALIPAN BUILDERSCities
Transaction hash:
a0bb18f7dc0e0e845d63fc47dbef11a8c374921a1d6e10207ccd44705ff32b6c
Status:
Included and unchanged
Block:
#4,919 1,094 blocks after it
Position in block:
Transaction 149 of 245
Award day:
Sep 16, 2022 (4 yrs 1 mo ago)
Value:
₱12,457,226.94
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 #4,919 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 TALIPAN BUILDERS on 2022-09-16.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 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 a0bb18f7dc…f32b6cnow …
- 2. Block Merkle root changedstored 3636584d85…134ceanow …
- 3. Block #4919 hash changedstored 0b35602249…616ef5now …
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 244 records. Each step hashes the current value together with the sibling shown.
- leaf a0bb18f7dc0e0e845d63fc47dbef11a8c374921a1d6e10207ccd44705ff32b6c
- 01 L a06f5468be661a5699591fd092acd6335c65f386f38f6244d4c2cc5814717a20
- 02 R 66a02f87dc50a8a13093de579d1b1bee57be350c810150a05c335188e2c8c246
- 03 L b1d71033ca0d8f20ea913baa8e7d80e9b5d48d24d5f558f303138e48386d372c
- 04 R 13de44ebcc1b2b8a65b86a84aeb1380258a70fa1c69afd639bad081bda441462
- 05 L b014d16e9ef8e61405b9324ed9f06c4409619307d83b4f3fc843bf18d94b1191
- 06 R ebade42af9902ba01c878b87a00d6a6e0476d3167c1c4aa1e9c97d7b22d4bcad
- 07 R af00bdc39bf92533b5c3a4e0ff3145ad33d36e8829ed6d9e2e06d95480737615
- 08 L 5f2333e79fe5c9a8f0d693616b5c7f0b462ebef3c9f9c064930361b6225e6d0e
- root 3636584d8513ac85e6d4c910b932889005ba0889bfb16ff3a905846845134cea