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 ₱22.1M contract to AYLAN CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
4ef9f86822a727582964aa4eabafe32aac7bd94ea053a3fa1b987b94d8c281ce
Status:
Included and unchanged
Block:
#3,823 2,190 blocks after it
Position in block:
Transaction 79 of 262
Award day:
Jul 18, 2019 (7 yrs 3 mo ago)
Value:
₱22,050,800.00
Project:
19OF0270 Construction of four (4) storey eight (8)
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 #3,823 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 2019 DepEd BEFF", i.e. the FY2019 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 2019-07-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19OF0270: 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 2020-04-17). 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 4ef9f86822…c281cenow …
- 2. Block Merkle root changedstored ade23ac970…fb1b1anow …
- 3. Block #3823 hash changedstored 6df09ce9d3…d5d325now …
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 261 records. Each step hashes the current value together with the sibling shown.
- leaf 4ef9f86822a727582964aa4eabafe32aac7bd94ea053a3fa1b987b94d8c281ce
- 01 L 4ed2061846424a127ffa951cf9cff6900554c865c7236fcaa47bc967831637b9
- 02 L 75568369c1edd8fb71dc508891628cc8ca1153298bbfa72c1b271da8361cc420
- 03 L b1fb83fb857ea3d7a0cd95fbc63d635eeaa3c5a009e076743dcb3e53c499ced0
- 04 L e37394d0b52a43fc86cc247df4e047878deec639770ae432a31268bb5127c2f4
- 05 R 5d9e16149f4f5596663d6d23995514f8bf342e546835fe5d7b440892a8afddbe
- 06 R 1b1d04a02fea4c08dcab4a46f641046da4513ba957c07dc05656618c7d4e1ffc
- 07 L 8e82a9893adbed36e6a4747df29f9263e964cd7b346291e62d8f9419f9918ca7
- 08 R bcc40232a271721e5afa8c4729d2041f5a4690b2ab06a25d74e8629a680361a4
- 09 R e1cc83cc0f427b14c1aaac0a3d6eb169e43e31e937d3f89ee849bc197bff19e8
- root ade23ac970f37e8ee0aff3d815373fa64e1ecdcb62c2339eee3b67cc6ffb1b1a