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 - CAVITE I DEO Award a ₱4.2M contract to N.B. AVILA CONSTRUCTION - CAVITENational agencies
Transaction hash:
a9872ec61a0cd71cd7f0d5698285c8d001e2856a1870fb9b08eaf6e1600d39e9
Status:
Included and unchanged
Block:
#4,009 2,004 blocks after it
Position in block:
Transaction 466 of 691
Award day:
Jan 29, 2020 (6 yrs 9 mo ago)
Value:
₱4,236,162.66
Project:
20DF0091
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 #4,009 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 PUBLIC WORKS AND HIGHWAYS - CAVITE I DEO awarded it to N.B. AVILA CONSTRUCTION - CAVITE on 2020-01-29.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 a9872ec61a…0d39e9now …
- 2. Block Merkle root changedstored 3d2c2c54f3…03e74dnow …
- 3. Block #4009 hash changedstored ff9f5949e8…44574anow …
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 690 records. Each step hashes the current value together with the sibling shown.
- leaf a9872ec61a0cd71cd7f0d5698285c8d001e2856a1870fb9b08eaf6e1600d39e9
- 01 R a9a81d11a768e09ae26b0cae5a127ea9c4b008057d484c7e4176387ff66b30bc
- 02 L 3360365abefa20d70fae6a3636dd1b46960b1ad2043f37ebf7af394f0e0df000
- 03 R 03f7d045f08f10ded113c08a4d2907ec9d1287fdd631ae156493e25f5da4c5a5
- 04 R f9035670277d7ead87399db78cc55b7309e87034a7676e32d7739505908da783
- 05 L 5bfb0907fdc221cc74b5ea2044e9c4c6765c1abd5e248186be37900299e5a8a4
- 06 R dc6a38c640f3cf2be8540ad137a91cd49c91e5bc35932bcae6afb79b54c37e51
- 07 L fa622be4fbc541c5ae3d8bcf6a3e445c933f82f376b90970ec552b6f6e90b532
- 08 L 37d26612caed7a2d7f2ad5c80936fc230918384408118d035d4456d4b02faee4
- 09 L 19e4268a081fb130e2f4a577479c3f63b6ee2dfa1e73c761e3ba2bb2801a616d
- 10 R cdf8e30f495f44a89bf23fbb36fe2aebed3ff13002eb2b9d27c3b46d40fd2605
- root 3d2c2c54f327c9f293356713398ed76f9410482aeffaa7e0b4e08e4b8603e74d