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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PAMPANGA 1ST DEO Award a ₱4.7M contract to N-22 CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
31d6d2bd1b6e22bbf71dc8777fe5f209618f2d525740d24a42e6c06d955b8f07
Status:
Included and unchanged
Block:
#4,429 1,584 blocks after it
Position in block:
Transaction 55 of 282
Award day:
Apr 23, 2021 (5 yrs 6 mo ago)
Value:
₱4,687,635.75
Project:
21CG0071 (r) - Local Infrastructure Program Flood
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 #4,429 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)DPWH lists the funding source as "Regular Infra - GAA 2021 LP", i.e. the FY2021 GAA. The exact UACS line is not given.Partly
- 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PAMPANGA 1ST DEO awarded it to N-22 CONSTRUCTION AND TRADING on 2021-04-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21CG0071: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2021-07-01). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 31d6d2bd1b…5b8f07now …
- 2. Block Merkle root changedstored 2a8b64bbeb…d22ae2now …
- 3. Block #4429 hash changedstored 0113859e9f…31b1ednow …
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 281 records. Each step hashes the current value together with the sibling shown.
- leaf 31d6d2bd1b6e22bbf71dc8777fe5f209618f2d525740d24a42e6c06d955b8f07
- 01 L 31bf5049d01410aa51788068cf7dd892f828830d413372d47f9d68ea4ddaecde
- 02 L 73b74c131f7b5b78dfe94c8cabf36ce622d161ef933175f50ee3e5731954f4b1
- 03 L 5fc07caa9387153c2ccf9f69c7e4e76bd8bf1e03b228954b2d230fd505edfbc1
- 04 R b71be5785bdda399372cb9c10c4d95fa878cb0b0f393b43382dcdb9b26df49dd
- 05 L 6e6037c9bfe6caea13bf98e58c2b7f0f239cc1cace6b0fde2d772594cd6c475d
- 06 L ed364579eb98bffe261020f0f8bb0994db3e4b174a4a8a80a2cbda5a1927f269
- 07 R 5ae0279e0f908cfb0cabd56e32f23ce62a3c413cbacdc879e56e8f8d7d65f9e7
- 08 R aee7ede0e6d9fed372d8735611ea97c93e0bbc8c6b667082ffce6ad35838b273
- 09 R 94a81607f1a616dcc6cd35c191ac021b2317e073cb12960b9918af611db146a7
- root 2a8b64bbeb70da03fce893b08610795e6ba0f31859ad8dbfd849c4cd30d22ae2