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 - PANGASINAN 2ND Award a ₱2.0M contract to SAFEWAY CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
1537f1c68261be4bb082dbbdeb26d42f9c75a98fce09ef22abbe0320be7fcc2c
Status:
Included and unchanged
Block:
#2,579 3,434 blocks after it
Position in block:
Transaction 14 of 175
Award day:
Nov 16, 2015 (10 yrs 11 mo ago)
Value:
₱1,975,076.02
Project:
15AH0267
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 #2,579 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 - PANGASINAN 2ND awarded it to SAFEWAY CONSTRUCTION AND SUPPLY on 2015-11-16.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 1537f1c682…7fcc2cnow …
- 2. Block Merkle root changedstored 2fe6cd42c0…a4cac2now …
- 3. Block #2579 hash changedstored b140d1097e…270ca5now …
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 174 records. Each step hashes the current value together with the sibling shown.
- leaf 1537f1c68261be4bb082dbbdeb26d42f9c75a98fce09ef22abbe0320be7fcc2c
- 01 R 16d5223928457c6f34d1eb07384a39f8927f83f249b3b8b3cb518fe8e8714e60
- 02 L 6ffea3e8d25ea216c60e01214679ddf80f06fdfc51f7fb425267e222c33e6dbf
- 03 L 2da521894ed301a7ea305ca72ce84c20ac8c0a235db996878f1adc186e19e806
- 04 L ce795a68c120db6e6946c078d746a3b38a50df1512b92d1007d2e1af5e6a00a1
- 05 R fc1f516e1bc4837ffd196b12efff6cda474cdb7436362f3add3bff9b5a53d264
- 06 R efa707a8636692ab41b6a7acc1a5e6c62a4ace906bd204ec097121511cec614b
- 07 R 99d8fd38fa76cccf1fa477d2400fd93a6445896707b29bea336d9316a02bbcb1
- 08 R 4388cd04ad263d89354133ed6c50e2afc5f841a807406fb2b3a2b0b407171386
- root 2fe6cd42c07cdd7190871ba909cfaa048e5cfc7f9bfd6678955c200683a4cac2