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
TARLAC COLLEGE OF AGRICULTURE Award a ₱3.0M contract to AMVIL CONSTRUCTION & SUPPLIESNational agencies
Transaction hash:
3b10cd1141fc733f2c3cf9f2c0ce6e61bcc353455e3e6354bbff54bd90dbe484
Status:
Included and unchanged
Block:
#4,960 1,053 blocks after it
Position in block:
Transaction 45 of 225
Award day:
Oct 28, 2022 (4 yrs ago)
Value:
₱2,996,758.82
Project:
2022-007 INFRA
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 #4,960 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)TARLAC COLLEGE OF AGRICULTURE awarded it to AMVIL CONSTRUCTION & SUPPLIES on 2022-10-28.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 3b10cd1141…dbe484now …
- 2. Block Merkle root changedstored d5a86a6346…733cd6now …
- 3. Block #4960 hash changedstored a5c11d2f79…2e1279now …
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 224 records. Each step hashes the current value together with the sibling shown.
- leaf 3b10cd1141fc733f2c3cf9f2c0ce6e61bcc353455e3e6354bbff54bd90dbe484
- 01 L 38a8e755f3a721c5bea8cb82001492ced5107fbf921b68b0a833cbdae01606f6
- 02 R 638dd6a2fedd85aa3a8e592e08a82c01d1a12a6d7fa1870e4c222a93a7a2bf35
- 03 L 5684186ad0fda2df1225d58038309d39904fc5b2130b2cc977d598d6e82b5ca7
- 04 L fd078bfe20185aa87e0e3baabf71ec2bd183f21dacde760e7c24d83f9536dd56
- 05 R 65b5ccb4f5bb77f068b5be8a545f381663b2f8f62983877c62bcb52504e8233a
- 06 L 94a4ff88e55556729ef872c9fae574f9373580f9e891a22162e0baf59ee58070
- 07 R 00551f9452564065d5b56293686830e5e2ac6a99a1f775b0a715b289e433c86e
- 08 R 306e32aaa0db4774590d97e32405eaaab1ec2ca225e3764b8260fbce29d84480
- root d5a86a6346bf55331eff61c02d95824c3a3310833869a1a37128586142733cd6