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
MANILA INTERNATIONAL AIRPORT AUTHORITY Award a ₱565.0K contract to MAFA BUILDERS, INC.National agencies
Transaction hash:
aa4056892438a4cdccd8d9ffb427ec8b3a49fd748f922597111358f727fa3519
Status:
Included and unchanged
Block:
#4,788 1,225 blocks after it
Position in block:
Transaction 11 of 17
Award day:
Apr 29, 2022 (4 yrs 6 mo ago)
Value:
₱565,000.00
Project:
Supply of labor and materials
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 #4,788 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)MANILA INTERNATIONAL AIRPORT AUTHORITY awarded it to MAFA BUILDERS, INC. on 2022-04-29.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 aa40568924…fa3519now …
- 2. Block Merkle root changedstored 17ccfa84ed…f7e247now …
- 3. Block #4788 hash changedstored 6cea53710e…f7a89cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 16 records. Each step hashes the current value together with the sibling shown.
- leaf aa4056892438a4cdccd8d9ffb427ec8b3a49fd748f922597111358f727fa3519
- 01 L 75158af163b927a6789a0b99fda5b70fcdf5da69222b3392645483af95372696
- 02 L c822785e6d6891063b8ab4ddf26933843158c801f263828681e39a38b4c0259a
- 03 R e542d742428bb24fbeecb8fdd7668657042d69c0f11321665f2a957a32cfc8e4
- 04 L f447f46221115f73cad78b51543b829569bd170c5bf198649d65837ebaa429fb
- 05 R 3b56cf6ae56103a7a2cadbcb5448d29692eee6ab81e5f36a1ec5a4041e19f9ef
- root 17ccfa84edcecef963b94bc271fa4e0b7bf8bc790dba8279bfdc0e13dff7e247