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
AUTHORITY OF THE FREEPORT AREA OF BATAAN Award a ₱393.3K contract to KARPA BUILDERS AND TRADINGNational agencies
Transaction hash:
3ccd6e50fdffd402c63a5dcdf72632650bf2814e8bc052ef6711f6f272977d77
Status:
Included and unchanged
Block:
#4,487 1,526 blocks after it
Position in block:
Transaction 58 of 188
Award day:
Jun 22, 2021 (5 yrs 4 mo ago)
Value:
₱393,288.34
Project:
Construction of Steel Footbridge
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 #4,487 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)AUTHORITY OF THE FREEPORT AREA OF BATAAN awarded it to KARPA BUILDERS AND TRADING on 2021-06-22.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 3ccd6e50fd…977d77now …
- 2. Block Merkle root changedstored 529e0c54ef…f787dcnow …
- 3. Block #4487 hash changedstored cfb0d6c904…ffe550now …
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 187 records. Each step hashes the current value together with the sibling shown.
- leaf 3ccd6e50fdffd402c63a5dcdf72632650bf2814e8bc052ef6711f6f272977d77
- 01 R 3d96adeb2afa6cbb1b50860d3f5668546aaca194d067459cd026b50aa4c7c25a
- 02 L 03cff4cbb6dcd10bc519e72da34837d89fffa3fdfd65b54ced72f5a83ffc1f65
- 03 R ad29e054f9962612983ad04c8be60846368c1ec5a4618b7d564a9ca87bb8e265
- 04 L 1b7c80a8a9642d5a68b41e74c348ac27e830634e7a102f07ae1c8f594e268729
- 05 L 7dc25e5b95783c9454146cfbb4f0f46ab1665649c344a10df805ce6ae0f317ef
- 06 L 93e1305d8c5728226edf72252a594093fc5d5ef17e39d204236af5a5a90ac0a4
- 07 R 3126b7f1142478554eef2e22f4b7f57b653c8f3e9946dd4ac91b38d1e0b2c583
- 08 R f50b7be697bed189c3631771f80a7c82b97dab91c09ee556c4d6bf209693230d
- root 529e0c54ef5e170ac97a913e591887f72b61243d04d29607456385e5a2f787dc