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 - CARAGA Award a ₱45.8M contract to MAMSAR CONSTRUCTION AND INDUSTRIAL CORPORATIONNational agencies
Transaction hash:
dbdd6db82206b0d0458bfeaa33bf12af82ec38cd9c811a706f55e5fe9bdb51a4
Status:
Included and unchanged
Block:
#3,109 2,904 blocks after it
Position in block:
Transaction 228 of 260
Award day:
Jun 20, 2017 (9 yrs 4 mo ago)
Value:
₱45,848,366.78
Project:
17N00096
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 #3,109 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 2017 MFO-1", i.e. the FY2017 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 - CARAGA awarded it to MAMSAR CONSTRUCTION AND INDUSTRIAL CORPORATION on 2017-06-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17N00096: 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 2018-06-20). 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 dbdd6db822…db51a4now …
- 2. Block Merkle root changedstored 8102eff9a3…a6ba09now …
- 3. Block #3109 hash changedstored 5901ce0300…f23689now …
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 259 records. Each step hashes the current value together with the sibling shown.
- leaf dbdd6db82206b0d0458bfeaa33bf12af82ec38cd9c811a706f55e5fe9bdb51a4
- 01 R dc22e4a4760152912e8ed31f27be9c321c96b495d6e9037b0be243c6aeb7d853
- 02 R cc89513e7bcd652ef4351c2f6730530db00b814c94aeb0a8ab2bf7a113846fae
- 03 L 1b18a0497aafa5bcff7cdb96d48568a824972efa21383e8bc1a77df476916630
- 04 R d090febb682cc4f03ffbdf84e8657a52235cfd28aa33177417cae306fdd5fa14
- 05 R 4303db8cd3eea38fc8e4fbf1734078c0697cff465e5b2db02cded94a3a60d7e3
- 06 L cf2a8e350d99400d90f390babc6ff358e791a651d9d950778de8230f6020584c
- 07 L faf075310c369523a03e97d905fb97c3453f607c578125297c4a4a45b5064fa9
- 08 L 9e55a50881d7c518a8f3856095895766cef6bf0350d4089848d78f8d30ab0e8c
- 09 R 8ce34a362d513aa185a9c16a74713161016b5ef1f80b93fbbcacef83c7f30c5f
- root 8102eff9a3ee2a0e864e59647473567a4d54bb0f022222c34a0cf3a22aa6ba09