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
PHILIPPINE AIR FORCE Award a ₱2.1M contract to V.R. PATRON BUILDERS & DEVELOPERS CORP.National agencies
Transaction hash:
eae8d2ed0b9ae1b770b3e5e602639433cb0d892937168c2ad842d12b95bcb18c
Status:
Included and unchanged
Block:
#5,938 75 blocks after it
Position in block:
Transaction 181 of 198
Award day:
Aug 18, 2025 (1 yr 2 mo ago)
From:
Value:
₱2,100,000.00
Project:
PB-PAFSBAC-017-25
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 #5,938 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)PHILIPPINE AIR FORCE awarded it to V.R. PATRON BUILDERS & DEVELOPERS CORP. on 2025-08-18.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 eae8d2ed0b…bcb18cnow …
- 2. Block Merkle root changedstored 0bdff7dd23…f67c1bnow …
- 3. Block #5938 hash changedstored 0a31825eb5…a80ab6now …
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 197 records. Each step hashes the current value together with the sibling shown.
- leaf eae8d2ed0b9ae1b770b3e5e602639433cb0d892937168c2ad842d12b95bcb18c
- 01 L ea83b79d6810b123a4686eee613d9aaa471f2122b00d51f8f3d854bd49f78f59
- 02 R 780ef2410b79e6c207a6af1d65260f144edfc65a861c75ae3a2deafb5aca592a
- 03 L e0782ec8cdaff360cffba1717ef0ae867dc661e3f376a5c386a0d6e8b95d3c8a
- 04 R 41927f55d1460d2ba57fd114c39f864bcc5fd34b2fa5662bd4d91fc557b664e6
- 05 L 31c0308d8ddbdc1b3be64fa21724c1dc6abed8e1b340f2c5cbc2c4102b80037c
- 06 L 4859b8b4ed866b4d6865778bc7fa2186d56cd5d579f3eff0865d3fc844d0b003
- 07 R 9538d30aab637fbb028bdb354cc93dc352d24f8008b5fa8164970f9014ecf891
- 08 L d92ecf63a455dc0b97628b4b399a65015b33224b0cebd9781453492d8944c6dc
- root 0bdff7dd2351f1c5a401c189c740e26bfa5f6a9ac3d65234ae1807932af67c1b