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 ₱51.4M contract to AYLAN CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
679b6f1ef4e0ff0405b9890276b862fba407ae4ba824ba09b7174c8e4ee5b085
Status:
Included and unchanged
Block:
#3,590 2,423 blocks after it
Position in block:
Transaction 106 of 240
Award day:
Nov 14, 2018 (8 yrs ago)
Value:
₱51,357,400.00
Project:
18OF0244 Construction of 4 storey 12 classroom and
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 #3,590 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 2018 DepEd BEFF", i.e. the FY2018 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 2018-11-14.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18OF0244: 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 2020-05-15). 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 679b6f1ef4…e5b085now …
- 2. Block Merkle root changedstored f4d9e5e432…ccc72bnow …
- 3. Block #3590 hash changedstored 14e088a56a…9f1e8cnow …
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 239 records. Each step hashes the current value together with the sibling shown.
- leaf 679b6f1ef4e0ff0405b9890276b862fba407ae4ba824ba09b7174c8e4ee5b085
- 01 R 68f85cd3b3668e157ef27e88dab62f3b37e82d6cfa4b864532d7e07d4325b502
- 02 L d8857be9519db3341f8c182e4014a55e8f3144f731ebda83fd32af65f99c0c31
- 03 R 5f2b4283fa0f5ae98cd3e7e65883873507c04662f7a177d92832820b72bdc6f5
- 04 L 2734270835bfa497ff347adc5e323734002035634099d1220a9c3f7376e4a74b
- 05 R 98d26bd14343d48a159f279324eb0044be67f833bdd7d289dd0cd4d44e625ceb
- 06 L eac0059506435c18b16942a6df3d8ee8ad77e754269afd903180eaac2ed1658e
- 07 L 104f16df25027c87df26c5b26143f586c22171e20786a78aa4ed542e3add31c0
- 08 R 223ede3ca9b6253cab5bd2b57bd8b72761ab3584770f0ee70c5df329b4f90884
- root f4d9e5e4324fa5b18800a85aa0177b5ac4bb99745fa021b446ca25f390ccc72b