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 - REGION VI Award a ₱2.8M contract to SHAK CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
5a6a2fdffae18ef1a8be13a87f7752e05a30b3177e501f34d944478f8d9d6f60
Status:
Included and unchanged
Block:
#1,938 4,075 blocks after it
Position in block:
Transaction 41 of 135
Award day:
Dec 9, 2013 (12 yrs 11 mo ago)
Value:
₱2,768,500.02
Project:
13G00131
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 #1,938 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VI awarded it to SHAK CONSTRUCTION AND SUPPLY on 2013-12-09.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 5a6a2fdffa…9d6f60now …
- 2. Block Merkle root changedstored bd39d3a9e3…c062c2now …
- 3. Block #1938 hash changedstored 80779799e4…52848dnow …
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 134 records. Each step hashes the current value together with the sibling shown.
- leaf 5a6a2fdffae18ef1a8be13a87f7752e05a30b3177e501f34d944478f8d9d6f60
- 01 L 597751d2432fead5a124cbf82782256357c4b0dd3734658c574c60197caf5eb7
- 02 R d1e404726659e90e7c6c9d6a220192b1e3a573e7170929ec8b693eed590f0714
- 03 R cf6b1ed9e7e270a5017f4f0fbc4c14a37782c570a171eb55dc37fbde1f4b9425
- 04 L 65300878d2211628d7f1943dc2a801083e110acffd24bb0d9bd0ae3aac58ef1f
- 05 R 594202f5766d4789b7a0029cca64b970c5c7e9cd23d76605af796d366136a6ea
- 06 L 553b40bd4d6f6add065f72d92ac82db67af9fa6da7576623f8cb237749a2723b
- 07 R b9170aaf2a642b7990c54775e50611c9cd99d9243c24f398df15653cf80a12b8
- 08 R ab36544c8976cace91f7161779e3fcba72eb4217f6a70d02b8976d5c1bbdb293
- root bd39d3a9e3f5491400ac0093d6461f459c8595238e9eea0d2920d73134c062c2