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 - QUEZON CITY 1ST ED Award a ₱30.2M contract to AYLAN CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
efcb98820807c3e2bce4fe0160f14a7a4af28a67bf5f30bbf25bb8f7d5bb1315
Status:
Included and unchanged
Block:
#3,088 2,925 blocks after it
Position in block:
Transaction 213 of 231
Award day:
May 29, 2017 (9 yrs 5 mo ago)
Value:
₱30,161,231.24
Project:
17OF0071 Construction of 4 storey 20 classroom, Ra
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 #3,088 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 "Outside Infra - GAA 2016 DepED BEFF", i.e. the FY2016 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 - QUEZON CITY 1ST ED awarded it to AYLAN CONSTRUCTION AND TRADING on 2017-05-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17OF0071: 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 2018-09-24). 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 efcb988208…bb1315now …
- 2. Block Merkle root changedstored 25e94bbece…b28846now …
- 3. Block #3088 hash changedstored 3b52d9967d…e6a509now …
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 efcb98820807c3e2bce4fe0160f14a7a4af28a67bf5f30bbf25bb8f7d5bb1315
- 01 L ef506f887717d4bb8b02ff8360335a7e7c190f95480f450147f066160078c8c9
- 02 R 2a22bf3572724549e29658890dc3dfcd20818ccf806f2c34179bb582232995c7
- 03 L 64144c168744d3d28daf44c965bb61dfc42b0f24d57d17d9f71cf8d97acdc22c
- 04 R f8cfcefc8504eb5aa28616979e3235b805ab137a6e78e32c3dc0e7a4243c726e
- 05 L 96762c52a41e76a3798e6040411d28e578afcc8fbfa16c43426e7cc0f73053e1
- 06 R 45ccca9bf9de782e0c27478c3109a83cedb6c887d3b5e5f532b347ff59508462
- 07 L 8c3b3341be0779c76d93c1983e33e1cd4c48394983ef7631c487497334baffcd
- 08 L a0e3729a7d1c83a222a8e602313b7948857cd316cc2afab8e886c941f4ebc18d
- root 25e94bbeceae39fd8b6442301aca3938a875fb69efcfb6b8688307f1cbb28846