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 PABLO, LAGUNA Award a ₱3.6M contract to LAKE CITY BUILDERCities
Transaction hash:
c8ddbc1599bb7a2f36b294b8588b5cb10949bf8bb9af3315e031da1e2d51ff15
Status:
Included and unchanged
Block:
#4,109 1,904 blocks after it
Position in block:
Transaction 122 of 152
Award day:
May 20, 2020 (6 yrs 5 mo ago)
Value:
₱3,646,814.70
Project:
Construction of Two Storey with Two Classroom bldg
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 #4,109 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 PABLO, LAGUNA awarded it to LAKE CITY BUILDER on 2020-05-20.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 Pablo 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 c8ddbc1599…51ff15now …
- 2. Block Merkle root changedstored ea620c0222…32b815now …
- 3. Block #4109 hash changedstored b4552c3219…c70aeenow …
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 151 records. Each step hashes the current value together with the sibling shown.
- leaf c8ddbc1599bb7a2f36b294b8588b5cb10949bf8bb9af3315e031da1e2d51ff15
- 01 R c9833938a9e35faae40506b666146615d61cdf40c24d4f5ce0b6df97179f0dd8
- 02 L 1807d2dfad3afaac062566926467784134b374a32d1873069767d03174c9d0f2
- 03 R 72e85b57bc7ab86f314fe0f552c5b15e7d59af7b7aa9c6835408e44c66eb4586
- 04 L c8b9fc04519d0748c0dcb7366513defeb729a883fd9839823acadb4156d9fca9
- 05 L 39216ac94e6facc79c5b7b95be7977af1a82ed24558407de4c2b863819ff5f69
- 06 L 09042098f5fd89ff820331e5103c46e64d35011db8e0b20e450c8cc727fdfd9a
- 07 L f57b0b385f7bef3262a239dbea9f9125f0a56937d5e67fc4d5381de2645fb3cd
- 08 R 2e7151f49fdf74019e95099ed7cb80f5b340c873771c5f867cfa3fb6517f3507
- root ea620c022276c44fb2b10b33de60c3f26a5283ea9c90ea5b11a3718b2c32b815