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 LAPU-LAPU Award a ₱986.7K contract to BT CONSTRUCTION AND GENERAL SERVICESCities
Transaction hash:
fa2ea4f32015bc60291a16ea7e8bb0f59aaf809f322674cfe589be932b5175ae
Status:
Included and unchanged
Block:
#4,091 1,922 blocks after it
Position in block:
Transaction 46 of 48
Award day:
Apr 28, 2020 (6 yrs 6 mo ago)
From:
Value:
₱986,748.64
Project:
Repair/Improvement of School Library at Marigondon
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 #4,091 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 LAPU-LAPU awarded it to BT CONSTRUCTION AND GENERAL SERVICES on 2020-04-28.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 Lapu-Lapu 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 fa2ea4f320…5175aenow …
- 2. Block Merkle root changedstored d828d2bc63…a04909now …
- 3. Block #4091 hash changedstored 9790e4fe55…47dfb4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 47 records. Each step hashes the current value together with the sibling shown.
- leaf fa2ea4f32015bc60291a16ea7e8bb0f59aaf809f322674cfe589be932b5175ae
- 01 R fb717ab9f4fbec8247332a2e84d555214fec254278815ee9da0a84dadbc0a526
- 02 L b3d804b80c39d61189b0ad8d94f1d8f3b53a27ca469a243118f12169d236f2dd
- 03 L 83118c793a0f81f46d65d24814933a883ceab2bd1e822985d393d609cbbb1bb8
- 04 L 2d2b46035e20eeaeca7acf9dab259a7a386aed376e88359c9e86c5de72d2da5f
- 05 R 188e35bee613703a24b40c7470127638d806906e76040f9338ed2d6a90a1c1d3
- 06 L 292b774bc6bd0029874501c613e004b154f76eae6a6caf29584b2d5ce3e765f7
- root d828d2bc6369174237c06316223de7189722a71eeaea8bdcc201cca47fa04909