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 V Award a ₱475.9M contract to NATIONSTAR DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
d0ec14f7f9d43ec2f2ba99c6f2535da4839f8837c048683c5410c60d6300b5f3
Status:
Included and unchanged
Block:
#4,371 1,642 blocks after it
Position in block:
Transaction 243 of 302
Award day:
Feb 23, 2021 (5 yrs 8 mo ago)
Value:
₱475,880,808.80
Project:
20F00148
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 #4,371 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)DPWH lists the funding source as "Regular Infra - GAA 2020 LP", i.e. the FY2020 GAA. The exact UACS line is not given.Partly
- 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 V awarded it to NATIONSTAR DEVELOPMENT CORPORATION on 2021-02-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20F00148: On-Going, 51.34% physical progress.Found
- 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
2 of 8 documents found, 1 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 d0ec14f7f9…00b5f3now …
- 2. Block Merkle root changedstored 2a0e270b6d…9c5be1now …
- 3. Block #4371 hash changedstored 2dd1fdfd0f…c03fa4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 301 records. Each step hashes the current value together with the sibling shown.
- leaf d0ec14f7f9d43ec2f2ba99c6f2535da4839f8837c048683c5410c60d6300b5f3
- 01 L ce5b5f5d9c3e930721762c28b361296ec9a9881d18055319752fe47b60084f5e
- 02 L 360607123d0dbed08dc4447950fee33f89d66edaca1767fdb29ee33e3c527d1e
- 03 R afee65dc526070d2d7ee34e5bfb2952ecbac3d2343c3df05dd35616d55e02273
- 04 R 48f94296488c36c6361c9f8376cd539a94981d392997043d1e14cf7650758643
- 05 L 8c8c7135c346284dba94c75d780fde8f936da89f09c1253532f3a8b1913a49ab
- 06 L a4d0c565a49dbbf7e77151562618140527659a8ce8eb6dec5c1ad143b6aedacf
- 07 L ab8fc265fc00c9ac011e0a00af86bc40179aeea2821b8831e6fcb90cf8477f24
- 08 L 9e4686a5628870508ce779ffccb9a2988c7c16bc7c7ba638f03eff63fed5cf99
- 09 R c6791f64ed65ac76781daffdc5253cbf659e041588c3a97b7c121f503bb5c9ac
- root 2a0e270b6dbdfd5f8e3d15092f7e012bb47b05fafd4a74fbb39041cca19c5be1