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 - NORTH METRO MANILA Award a ₱46.6M contract to AARCON BUILDERSNational agencies
Transaction hash:
ce110a0a31e8a119edbcd0a9db9dfa8f4a0641c37e275ac63bb391b96a0bc490
Status:
Included and unchanged
Block:
#4,284 1,729 blocks after it
Position in block:
Transaction 476 of 592
Award day:
Nov 18, 2020 (5 yrs 11 mo ago)
Value:
₱46,607,237.90
Project:
Organizational Outcome 2
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 #4,284 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 2020 OO-2", i.e. the FY2020 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 - NORTH METRO MANILA awarded it to AARCON BUILDERS on 2020-11-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20OE0047: 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 2021-05-18). 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 ce110a0a31…0bc490now …
- 2. Block Merkle root changedstored 063f6cc98d…fb24aanow …
- 3. Block #4284 hash changedstored 1359a1eb52…0ddc57now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 591 records. Each step hashes the current value together with the sibling shown.
- leaf ce110a0a31e8a119edbcd0a9db9dfa8f4a0641c37e275ac63bb391b96a0bc490
- 01 R ceb7e935c9128110f8bb7304c902f05aaf3804ea082bdffc81c78f2c3ca1a895
- 02 R e89978521094771c2d53723af824f874efdce377d4273023727afd45d0e23bcc
- 03 L 4cfb932dca7334a0128b5e07fe54969042d399d01db7e74dda5025530e66d6a2
- 04 L fc80fc3f5d45e224bac09ebc8c14bbad363960485eb35081b1f73638b9ffa523
- 05 L deab5edbe0c51c9476391614089825ed180b0b622db94412528f9753ff627d41
- 06 R 0a142dae166ead82e8dae800f7f31834a20d2d09d9787e41ee0e3f540c26579f
- 07 L 58001943f77b2f0b6dbc9b4011016f161baff6585d3b6953149130c4d321b3f5
- 08 L 5a208952018baf5e1232cc4958cb52ae2d92bb199e2ec4008380dac239097981
- 09 L 01784df38311bb6680612592d11a095b1d3d4d9ba93d5a3b52fc209752f3003f
- 10 R 1280fc99182881c1606ba1b6ed8f4ef27838f42a37bdcf7cd4f03a63191aba9b
- root 063f6cc98d74b7da5b14f2b640c3fa743784d09ca1dc2645c432961005fb24aa