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 SAN PEDRO, LAGUNA Award a ₱5.0M contract to DATZLAV CONSTRUCTIONCities
Transaction hash:
f66d2f81c4e7d26e979e9fccdafddb9a93866d8608d19015a7b5948bbd0f8d95
Status:
Included and unchanged
Block:
#5,279 734 blocks after it
Position in block:
Transaction 285 of 299
Award day:
Sep 20, 2023 (3 yrs 1 mo ago)
Value:
₱4,980,000.00
Project:
Road Rehabilitation at Imelda Avenue Brgy. Langgam
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 #5,279 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 SAN PEDRO, LAGUNA awarded it to DATZLAV CONSTRUCTION on 2023-09-20.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 San Pedro 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 f66d2f81c4…0f8d95now …
- 2. Block Merkle root changedstored ce05afa479…fc409cnow …
- 3. Block #5279 hash changedstored 0e649c58ad…0232a2now …
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 298 records. Each step hashes the current value together with the sibling shown.
- leaf f66d2f81c4e7d26e979e9fccdafddb9a93866d8608d19015a7b5948bbd0f8d95
- 01 L f64c178f78fb46780114be973b06af28cd1ac3e19c61b59ecae733e3da3ec4bd
- 02 R a8eeed83aef1ac14cc69ea294995428e1bde17c7e72819bebc357f41bb02f554
- 03 L 753dc43a45d06718754f8dc1fbe740c9e660c55d629c604e2ae44bba0e901e6d
- 04 L add4883c7ebf856a3a635f950e9a8c575882b96e759975017fb0c04eb5d76544
- 05 L 6eb02b5c7baea421eb5122b4937c48350199537a8beeb2a5f2cce6d14191097f
- 06 R 5929e75e8498e05e403100f2d0b70f1e8c8f4626f013556d813da18dcf789f79
- 07 R ef64bff0b53d5d3d8b7dd3298cff32c2b02a7a279cac781eda5ec797b20bfee2
- 08 R 06987137652a4c1d2f0925d1b9dcdafee2cf9ed3a9dc4b7dc2620e87c424a13c
- 09 L ebf80896532aa3f1fae060c9147b07c68055f16d73158a7dac056b4713e51b53
- root ce05afa479ef81d06f32463e7c398add9e91453f05d1a6e514e9c8f917fc409c