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 - LAS PINAS- MUNTINL Award a ₱1.9M contract to AYANA CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
fb4bb879901f7dfd9e6ccf137e5e41d6879b2c31b98dd227abb549bc5e70b6d4
Status:
Included and unchanged
Block:
#3,768 2,245 blocks after it
Position in block:
Transaction 627 of 639
Award day:
May 20, 2019 (7 yrs 5 mo ago)
Value:
₱1,860,038.83
Project:
19OI0017
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 #3,768 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 2019 OO-1", 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 - LAS PINAS- MUNTINL awarded it to AYANA CONSTRUCTION AND TRADING on 2019-05-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19OI0017: 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 2019-08-16). 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 fb4bb87990…70b6d4now …
- 2. Block Merkle root changedstored 36a9bc4c08…e1d768now …
- 3. Block #3768 hash changedstored a9be52f162…7057bdnow …
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 638 records. Each step hashes the current value together with the sibling shown.
- leaf fb4bb879901f7dfd9e6ccf137e5e41d6879b2c31b98dd227abb549bc5e70b6d4
- 01 L fb44a103ce77a9c8e876509abf3a06b43b45c117b6f3f231bbbb7e4abf47c60a
- 02 L 6b0201acd1a34358cdd884733583742209fbbba6f19d8bea2a85cdc245e41472
- 03 R bda8536269037bb0fd39ce3524083b1a068bd3c2f2a4939bb39607c2f100e8ee
- 04 R da5216e057ce86218ee912731d6c1a41e3d571c8fed8ca2fa59b5fc012e43388
- 05 L f4b4733d2be4ac2cd9d1239281818bdd844da652538715371ae29d95eb45d398
- 06 L c466d9aafadbfabd7d1d27f22655b6e70518c6d7ae2f02244c800fc0b1cd41b3
- 07 L 930317fefbd6f00f646ae7759fd98a104904211a98a79cfd161f82c897413af6
- 08 R 0d70af5b09e4bd2e769669dd2dedb460791bffeb99f293c65470fa7384887aa1
- 09 R acd09733a1f0db184a3ca9fa5d0a23608722fed9a9e8f7c795a8ff7bc60d248e
- 10 L 499771d7cfac836c7096863f5f7d66c277804d6ae6b56de0e767bcea289acb95
- root 36a9bc4c080f23a6e5fc69b23f1e36b35f7928cde3e5f0b24e8053675ce1d768