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 LUCENA Award a ₱499.5K contract to DATZLAV CONSTRUCTIONCities
Transaction hash:
26ffca06013131eb45d3e5f99599511b7ca890ae6f7414b429d9f5a9a915bca6
Status:
Included and unchanged
Block:
#5,934 79 blocks after it
Position in block:
Transaction 85 of 548
Award day:
Aug 14, 2025 (1 yr 3 mo ago)
Value:
₱499,513.54
Project:
Concreting of Road
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 #5,934 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 LUCENA awarded it to DATZLAV CONSTRUCTION on 2025-08-14.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 Lucena 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 26ffca0601…15bca6now …
- 2. Block Merkle root changedstored 20dae6c48b…424bfcnow …
- 3. Block #5934 hash changedstored 23e8d578c7…6e30d7now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 547 records. Each step hashes the current value together with the sibling shown.
- leaf 26ffca06013131eb45d3e5f99599511b7ca890ae6f7414b429d9f5a9a915bca6
- 01 L 26b83643f10b5ec6607cbe4c409895faa580813bd6f905a36e8c3deadd210c38
- 02 R e03bc4fa93361f706119210685a36639917dc4e2090ecdfa5ae4eee152393dd3
- 03 L 2c2c8522030abf7e9c5c42044be7cc8dc0ddfaf6b325f5fdd5435f0c72e1f64d
- 04 R 2c92bea58f85669049d106856f87ca3d48d220499feb758e4cab6b86c4926678
- 05 L a46ea4faa50ce778d8a4d4b5b548acb7e9b15d0e8b7967a4be8febc4414f9811
- 06 R e49061ce507a912f86ee87f4608015a0f3ef5dd689afbae4cf54310ab80cb6c3
- 07 L c5126014b3fe6f5733e68838a4ac17ecb8bdada52f834d01336580a31ba070ee
- 08 R 225d4d85522bac0b8831b8f387cd05794297f92fe948c0154000867a18a04892
- 09 R 14374c421318c462f1c320b634ba055969b2a07e96f385b2a5c37cb1ab4024ad
- 10 R 8481967fcefba03e6f375231c74244972ffc745c3df28cc843096ba5b85e36ee
- root 20dae6c48be30210b6c27bd142d9cf5f4289255977c6ea5947a7489d5b424bfc