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 VIII Award a ₱168.8M contract to PREMIUM MEGASTRUCTURES INC.National agencies
Transaction hash:
b17da2be89a0e1b991b4e5a69a0e9fbfc03245c73b51810aaa46081d42f1a3b6
Status:
Included and unchanged
Block:
#2,994 3,019 blocks after it
Position in block:
Transaction 168 of 231
Award day:
Feb 17, 2017 (9 yrs 8 mo ago)
Value:
₱168,811,463.13
Project:
Contract ID No. 17IO0010
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 #2,994 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 VIII awarded it to PREMIUM MEGASTRUCTURES INC. on 2017-02-17.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 b17da2be89…f1a3b6now …
- 2. Block Merkle root changedstored 494ff6a091…2a5e98now …
- 3. Block #2994 hash changedstored adc3c9f5fa…6fa8d8now …
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 230 records. Each step hashes the current value together with the sibling shown.
- leaf b17da2be89a0e1b991b4e5a69a0e9fbfc03245c73b51810aaa46081d42f1a3b6
- 01 R b2389040c32962475ccf7710b3976951313da45f6b941af1d15432a9c1258e4e
- 02 R 655722b5dac604604202938559ead096c6ab6299cfe0f74a6acc452b2d1e802b
- 03 R 63d42e3dbf90f87f3546e8bfe93b643aa05137181f387ba6ea7fbedfe68c1def
- 04 L b4ba41a1509bface260a2f3c331679593a0405d17ec55ecc597c4304842a0d68
- 05 R 919542a83dced64a6bd50567bead52cfb0f513156962d8fdd224da8f181caf73
- 06 L 15053834885b20379ee5b400b00be61866731b039fd4b4f08885993df913f3d8
- 07 R 46e78eff5479fcef104adf918aaad400e6ace07ee738fdd540bee3680a7b2551
- 08 L 653de6a963fb658df96cce189d2ffa2dde7665b56ff8e1da02205bec0122c6c7
- root 494ff6a091139093d19548f9ec907e0b1b89d5ab34871d2c5ba63893822a5e98