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 ₱14.1M contract to AYLAN CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
bb72c7c0e198ea595b01dceddfa307a21cc321f0b33bc2b0fa4c8e551a45d0a9
Status:
Included and unchanged
Block:
#3,029 2,984 blocks after it
Position in block:
Transaction 184 of 245
Award day:
Mar 27, 2017 (9 yrs 7 mo ago)
Value:
₱14,090,724.33
Project:
National Road Network Services
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 #3,029 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 - NORTH METRO MANILA awarded it to AYLAN CONSTRUCTION AND TRADING on 2017-03-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16OE0098: 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 2017-08-09). 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 bb72c7c0e1…45d0a9now …
- 2. Block Merkle root changedstored 8280f11312…9f68a1now …
- 3. Block #3029 hash changedstored 2c3e4cd50e…9168d9now …
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 244 records. Each step hashes the current value together with the sibling shown.
- leaf bb72c7c0e198ea595b01dceddfa307a21cc321f0b33bc2b0fa4c8e551a45d0a9
- 01 R bc732a647d2cc9a0d459f2e18c8d9c8e698a864fc623c4d199e469bc18bc9813
- 02 R d97c3b2ccfa70288f188c1bb74923cac5d21d6611188e6f20293c0b6e45febf8
- 03 R 01ae0f744ca8b7c5a009fc839b57699049d9c2f54d6c018a7481640d7069a17c
- 04 L 019254dde3e326adbf90bda993683faa017f9dc48a06566b04a73fb8b526fb37
- 05 L 58a56f230671438520349c9f7ed0f7d1435707e49ce3152320a55dda5862db70
- 06 L 53805bcf4765aa612707d15488c96ffb49707af9aaa7e0f9665ba9f2c447789e
- 07 R 7de13f782d3636d0b3af56f04cbc88cfbb0d3603731773e031909eee2b7056cc
- 08 L 0efa7615827cd9eb002d4a27af17f710602f9a1b7112db1d7e1dbc98afd175a0
- root 8280f11312606f66e224f4c9b3223bf8f0590dd82fc8c1adf8b7b50f349f68a1