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 - BUTUAN CITY DEO Award a ₱18.6M contract to NORTHERN BUILDERSNational agencies
Transaction hash:
030a925a36fb2e2d7b4d0d5ea5101d227361160de3aef8fe4686043798e3be6b
Status:
Included and unchanged
Block:
#3,244 2,769 blocks after it
Position in block:
Transaction 1 of 312
Award day:
Nov 13, 2017 (9 yrs ago)
Value:
₱18,615,897.93
Project:
17ND0062
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 #3,244 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 - BUTUAN CITY DEO awarded it to NORTHERN BUILDERS on 2017-11-13.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 030a925a36…e3be6bnow …
- 2. Block Merkle root changedstored 2cb7a9722b…d53b18now …
- 3. Block #3244 hash changedstored 44136ea7f4…1c7200now …
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 311 records. Each step hashes the current value together with the sibling shown.
- leaf 030a925a36fb2e2d7b4d0d5ea5101d227361160de3aef8fe4686043798e3be6b
- 01 L 0066c528d7425cd6e2c07e8fbeb8952b5f24557077fdb0f319b99631d3245dad
- 02 R 3dd7e134657e9777e20fd05174c91a341b02fb4c2b0ae91b571cf12897c0df8f
- 03 R b6b21a9f6cf1b4072738305a69a926d5f6f3735eefdd1aee330e779aa7d7601a
- 04 R 272647c59dc67e833a3c70c9d885eeb8ebd46f3afd1307170057f06673489757
- 05 R 4490505eb7477cd1825ec97e226bee58e47a29d73ef94872cfaee9e9441c0344
- 06 R 4d86d4ceb06d3c90a76e7218acb8073b01a159ecd2c2b26ba727188981978830
- 07 R 648d5e2fb4a14b06b73974982abeb1f526690a2b3f7fd61f093ec2344f09448b
- 08 R c03954467a2abc7765a7c06f62c1eff9233c76a2dc36db08755b3250bd91a478
- 09 R 759b4f0960f9cef81124a807f3f17744c1ed167111770e81b5779364d4fae091
- root 2cb7a9722b346957514ef7ab8c89d5b6d09497ba20493e5c16c7ac8ee6d53b18