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 EDUCATION - DIVISION OF ZAMBOANGA DEL SUR Award a ₱2.8M contract to DASSAN CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
f20114087cc00220920ee4e76c07791eb4df09a8bfe0aee7085abd8d5733e94e
Status:
Included and unchanged
Block:
#4,219 1,794 blocks after it
Position in block:
Transaction 164 of 175
Award day:
Sep 10, 2020 (6 yrs 2 mo ago)
Value:
₱2,752,438.65
Project:
Repair/Rehabilitation of School Buildings
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 #4,219 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)The award does not say which budget line pays for it.Not published
- 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 EDUCATION - DIVISION OF ZAMBOANGA DEL SUR awarded it to DASSAN CONSTRUCTION AND SUPPLIES on 2020-09-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 f20114087c…33e94enow …
- 2. Block Merkle root changedstored 81315d12e9…f29a16now …
- 3. Block #4219 hash changedstored b71f1e51a1…7ac4abnow …
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 174 records. Each step hashes the current value together with the sibling shown.
- leaf f20114087cc00220920ee4e76c07791eb4df09a8bfe0aee7085abd8d5733e94e
- 01 R f2388707c68575709c3c0a1fef478b2b749004e18eb56066621d36de1b02e3cb
- 02 R 6fec5ecac1f8e41144b30257576ccfeda86909992a49d62959d24bbe8a098957
- 03 L 13dcf8bb24ee9f697199b2e09f4a1fcce7116377919564e5b8311f6bb41eddc0
- 04 R e4f3ae51f33351c743063392a55dc69fca09b84d3756251da81fe2fb8f178133
- 05 R ecef2fe1522c5aceb331a9f70bf0dc416f7fd8535e58fcaa08e0f31578269afe
- 06 L dbe61b6f52ee31dac3994457f9c238b8c9a6959e71b6e53959f0f8be33e46b7d
- 07 R a6272febec64655fd0ff817062e24346fd68e6143262c94d6a411e774ece4e0d
- 08 L fc446f56ca0ecf2db0cd608c2523c218336fa99e1abef0d2131cf4c21d6e1b8c
- root 81315d12e923dcd87865dfa02e5b7b48e1e09fb97b8ceabc0b822a7acff29a16