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 - REGION III Award a ₱273.8M contract to PERSAN CONSTRUCTION, INC./HALREY CONSTRUCTION INC. (J.V.)National agencies
Transaction hash:
9739f4e1f141ce0d2df02857a5851ca2a0881d0f3956c5f7af07e88eb532c0db
Status:
Included and unchanged
Block:
#2,998 3,015 blocks after it
Position in block:
Transaction 140 of 228
Award day:
Feb 23, 2017 (9 yrs 8 mo ago)
Value:
₱273,839,377.71
Project:
16C00074
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 #2,998 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 - REGION III awarded it to PERSAN CONSTRUCTION, INC./HALREY CONSTRUCTION INC. (J.V.) on 2017-02-23.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 9739f4e1f1…32c0dbnow …
- 2. Block Merkle root changedstored 2885c5a93a…68a2banow …
- 3. Block #2998 hash changedstored 91a03b9d4a…025c46now …
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 227 records. Each step hashes the current value together with the sibling shown.
- leaf 9739f4e1f141ce0d2df02857a5851ca2a0881d0f3956c5f7af07e88eb532c0db
- 01 R 975c4ecfccc92b2c3a60ac8c15b73c2c0563ae4bfc12729ca2b5b2d71f86fc89
- 02 R 9037b85d1a6e5e173a77ce86269ef221a076c115a2fd3e1360ca17b90d14304c
- 03 L e1ac1620a17eab931176556b96036410c5e2ab40e341b8904cf6fdcdf83c6a6f
- 04 L 17ef2e7c0aed0b12d74ec21f5f02b7838fc4f5fd95fb522abb653411e17e9bd1
- 05 R 5a33eb0d1ad6a9d0e11d406fa5a2880628771f286d9596fc64d1ba40e9529e63
- 06 R c54cb48d5f4e5a892e47f6784302d5f91919b82e669af351df358513d1b28b21
- 07 R e6e39f4e1412a3c28c0b1ed4952dc281ab3f17c05f0243c8371655fcf8293573
- 08 L 3c8f2d05aa5d9a04c6adcd8fe06c7d4f44575e7ad8f00c8e2200a2f16d991b48
- root 2885c5a93afc044ef89d482147ed0d1111cc0b5bde1670bde0f8d7bf6e68a2ba