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 - LAS PINAS- MUNTINL Award a ₱6.9M contract to E.F. CHUA CONSTRUCTION, INC.National agencies
Transaction hash:
080c7d9a1eee6431ff2ddebd80250b0fe0b88fd2da9a265400bdf0e491ec2997
Status:
Included and unchanged
Block:
#3,501 2,512 blocks after it
Position in block:
Transaction 9 of 190
Award day:
Aug 10, 2018 (8 yrs 3 mo ago)
Value:
₱6,914,382.04
Project:
18OI0105
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 #3,501 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 - LAS PINAS- MUNTINL awarded it to E.F. CHUA CONSTRUCTION, INC. on 2018-08-10.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 080c7d9a1e…ec2997now …
- 2. Block Merkle root changedstored f7d1ef4c37…6fdfa9now …
- 3. Block #3501 hash changedstored feb7b1c0f0…29c32fnow …
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 189 records. Each step hashes the current value together with the sibling shown.
- leaf 080c7d9a1eee6431ff2ddebd80250b0fe0b88fd2da9a265400bdf0e491ec2997
- 01 L 07114c8e87bd09119ca0fbe8d1c375538cb9678fd400fd33d620a2fe477bf6fa
- 02 R ed3f31499f55465aa6a98d4c9ffdefb3c261b955888c4aa2b9aa94a759837d7a
- 03 R f4b48dccf64ccbc9ef86ae26569d96dea0989c196f006c3bb378fbe5932124fc
- 04 L 4b5a18c6f33cf3ff32efda0c88efdf88abeeaec03fb9059018eb6ac44a6236ae
- 05 R b09f05167b8982422e484ed4563559b098a7f51912b1d98526b805d7723125cc
- 06 R a58a2ee325851f26042029f768d2f4593cf35ac47905f0b6dcf8a68d8899fed9
- 07 R 48e82fee4ff025583172b04ec66767e90782f9e7ac4335566b13c39ba0938656
- 08 R 6dfd0e4acc8f72175f76ac179be2473798cac44f1c6feab2ce9e02aacc3913db
- root f7d1ef4c37b3050ff9bd0c1c6f77890ec6b1d0cb7b27d5491cc157a2986fdfa9