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 CAVITE Award a ₱8.8M contract to R.A. YOLANGCO CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
e564ffe4f576591e06e13375149e94085b59160d06de1ea4ad4764090b007390
Status:
Included and unchanged
Block:
#4,232 1,781 blocks after it
Position in block:
Transaction 140 of 159
Award day:
Sep 25, 2020 (6 yrs 1 mo ago)
Value:
₱8,791,890.73
Project:
2020 BEFF Repair 9
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 #4,232 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 CAVITE awarded it to R.A. YOLANGCO CONSTRUCTION AND TRADING on 2020-09-25.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 e564ffe4f5…007390now …
- 2. Block Merkle root changedstored 9a0d71866d…3654f3now …
- 3. Block #4232 hash changedstored 80ddbe706e…7ec6adnow …
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 158 records. Each step hashes the current value together with the sibling shown.
- leaf e564ffe4f576591e06e13375149e94085b59160d06de1ea4ad4764090b007390
- 01 R e743e0ce5500cb392abb58a83046e6010e3b0b1751370e73492561a5d8d69158
- 02 R 808572453367f77e2fe43bf8a68d27f76603fa3fd32039177d43b83e8c1c6ec2
- 03 L 3ba683c01a3a40512eaad929f1c0f18d4cb74ad4078bc6da3bbb72208774578b
- 04 L 18c2a5be8a9a0e68e397c196baf9f06ee23e732c6481294700f573c549128d66
- 05 R b4ac97ac725cb1b909fcf15b6c53d7897a03cff9abb71d7b3b06a4c48c39ecb9
- 06 R 02c13b46f1f04f74f8e79a701c7bb6632ca68690dc4a390b08897607170527c7
- 07 R 5450b0dace304b895daafb80b402cb9f3589c687ca79e944b58d016ffcc6f8c3
- 08 L 3e9ef27327d053e0a1a49f27653a59ea5913fb18da16f086b5720d9eeb6cfe66
- root 9a0d71866d18d59f688444ca02b07c3e678aba93ef21c083ac219aaef13654f3