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
MARIANO MARCOS STATE UNIVERSITY Award a ₱3.8M contract to YDA BUILDERS & CONSTRUCTION SERVICESNational agencies
Transaction hash:
0bffaada8dcf3cd1723918f3e18e377cc83019505bae0e14c4164ea2f6d4682e
Status:
Included and unchanged
Block:
#4,263 1,750 blocks after it
Position in block:
Transaction 5 of 81
Award day:
Oct 27, 2020 (6 yrs ago)
Value:
₱3,759,976.61
Project:
Construction Project
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 #4,263 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)MARIANO MARCOS STATE UNIVERSITY awarded it to YDA BUILDERS & CONSTRUCTION SERVICES on 2020-10-27.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 0bffaada8d…d4682enow …
- 2. Block Merkle root changedstored d6ca143c77…cee845now …
- 3. Block #4263 hash changedstored b435819c82…19e9d9now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 80 records. Each step hashes the current value together with the sibling shown.
- leaf 0bffaada8dcf3cd1723918f3e18e377cc83019505bae0e14c4164ea2f6d4682e
- 01 L 0b980561782cc602119cfd6e4b6b7308634097d5c8e4df95a1b2f66b0a8a6c94
- 02 R b046fb65dfd977dd6ebcebd7186ceba132ef1a5cead57762576e0822dddd337f
- 03 L 5d4c8905d0386510b7cc41e17da88fa5f5bd681977110ce18f7d4b165ee24367
- 04 R e4cd9d6193315ead605acada27411d51f442bb82642d6d2ca8e5eddcdef18a98
- 05 R 1c836d301985892fad6d07def460f9325a268b03ca199af4fbdb46de4b38ccf7
- 06 R 4e497047524a30a67ba04e54a3db883de355d9a20b95f138f17bb27ca767887a
- 07 R af964a478d9909156fd96b79a792d7d8dd1cf9dce6800ac886165c965bd00a42
- root d6ca143c77dbf3c8503e501c1ce4cc1a996448c8da5f4f48313b9287e3cee845