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 ₱2.0M contract to KOUSEF CONSTRUCTION AND GENERAL MERCHANDISECities
Transaction hash:
bfbcb19737a2ceeb6afc5878c63fb458bea4d4e67f9d3f96139c2afea36d7e16
Status:
Included and unchanged
Block:
#3,712 2,301 blocks after it
Position in block:
Transaction 238 of 339
Award day:
Mar 19, 2019 (7 yrs 7 mo ago)
Value:
₱1,955,024.35
Project:
Construction Works
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 #3,712 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 KOUSEF CONSTRUCTION AND GENERAL MERCHANDISE on 2019-03-19.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 bfbcb19737…6d7e16now …
- 2. Block Merkle root changedstored ac4e8deb70…d10c0cnow …
- 3. Block #3712 hash changedstored 0cbe9d6eb2…3b30a9now …
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 338 records. Each step hashes the current value together with the sibling shown.
- leaf bfbcb19737a2ceeb6afc5878c63fb458bea4d4e67f9d3f96139c2afea36d7e16
- 01 R c0052ef78b4cbf63f1e2b059c43911477555a0debbcc026a6326c7d7fa3b8229
- 02 L e25a6ea6c1e045deb4ee3fed2b06fe5dcee67b5a8118e6683cdef5d05bbfd9e3
- 03 L f1772e4988ee145b55a2d3bbc64dbec192c671bd538e3fe416f49c67f07a683b
- 04 L 0c94c881d679a4ce26eca587341457d6375414000811a0acff97d51057d18b81
- 05 R 3fa94398f71d8c63e5e3a7871338e1ef514640abdd60c4bc1f18900791a10712
- 06 L 138893d0a6137a89db34a1b422b389c397ab9138d5bac6656844d0e5566e5eaf
- 07 L 11b634148df73350717b08b6b784f2a4a7dfa0f0814eeb51ccb789eb76503b36
- 08 L fcd1c87a7b128a300c9614c8e96a3235eeca1566dc81426573a892531f3290b4
- 09 R 4f2038b426498f482236eea7f6a82c34369d3fb6c760e2807f8f91cc4c4f8c98
- root ac4e8deb709b33500869c4843cd37fc75d61e6fdc223434c714f072593d10c0c