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 - ILOCOS NORTE 2ND D Award a ₱43.6M contract to GACUTAN CONSTRUCTIONNational agencies
Transaction hash:
edbcb16e78ccb56e3334487bcdbac278e9b0cded8cb6c03687e4541eb8eaa2c5
Status:
Included and unchanged
Block:
#3,287 2,726 blocks after it
Position in block:
Transaction 969 of 1,026
Award day:
Dec 27, 2017 (8 yrs 10 mo ago)
Value:
₱43,561,795.98
Project:
17AB0243
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 #3,287 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS NORTE 2ND D awarded it to GACUTAN CONSTRUCTION on 2017-12-27.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 edbcb16e78…eaa2c5now …
- 2. Block Merkle root changedstored b4dc501ed0…d8c6d2now …
- 3. Block #3287 hash changedstored c7e14c50bf…eab4e3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,025 records. Each step hashes the current value together with the sibling shown.
- leaf edbcb16e78ccb56e3334487bcdbac278e9b0cded8cb6c03687e4541eb8eaa2c5
- 01 L ed64d07ec752250d8024fcbd2152a5e41dbfc98e2731529b985669af41a4ab17
- 02 R 970b6017cc262874aca5031713a5ab1135c004ba06a6196d22699f5783eadc19
- 03 R 5be66c0dbd0bc0cc6962c3e85c911b7e1ce76866c3ec2e8d049df3a4890d8e6d
- 04 L 2d339058e856f21e3d12fda1aee638f13b4445ad0d9d5362c8332c0b889333cd
- 05 R 97aeeedc81ad040ffa1774e6ae144d1b6e18e16b2e3fdc009a1ea1ae28b60fe6
- 06 R 91858d101cfdc90f67557d32cda6b55b9c149abd4a067473e4411e39386ece04
- 07 L d0a66771100c9c3c55c253027561666bd025329c3059131e757317c6ce056608
- 08 L 69e8aa823fdf09e83ac37cb13162e367ca597cfc09e6b2b7208c6ddaef088e0e
- 09 L cb4b83ea6c5b7713a8bbeb4b6e82cba308749d97ff3676dc53d9c759a4804042
- 10 L 4d7412112b26351fdc08ef1e23583acfd5a94f0476073ece1c64f8b47fb96121
- 11 R 1631c3416b810694b879fee5b0caa4003a06e958296772b10cabe1c46c7b712b
- root b4dc501ed0713c4d022d375450a4c40f01e9721196926605a35a2da4bed8c6d2