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 - SAMAR 2ND DEO Award a ₱6.3M contract to STEVEN CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
c91e887d7cd94f976eeb1cd657ad4d7f3993eda4002deaa35767b348f22a3c56
Status:
Included and unchanged
Block:
#2,576 3,437 blocks after it
Position in block:
Transaction 107 of 137
Award day:
Nov 13, 2015 (11 yrs ago)
Value:
₱6,281,147.16
Project:
15IK0058
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 #2,576 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 - SAMAR 2ND DEO awarded it to STEVEN CONSTRUCTION & SUPPLY on 2015-11-13.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 c91e887d7c…2a3c56now …
- 2. Block Merkle root changedstored 9cb4add57d…03b800now …
- 3. Block #2576 hash changedstored 79476b0e92…c1eb76now …
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 136 records. Each step hashes the current value together with the sibling shown.
- leaf c91e887d7cd94f976eeb1cd657ad4d7f3993eda4002deaa35767b348f22a3c56
- 01 L c48556c8c03052b11cd339c74c737f2f7f8fd39ac28266cc34b21027aeb14d72
- 02 L 55dbceb33d9b81f5dadb35efd4d7c07728423412c21cdffb1dd80bbe948f9c74
- 03 R 9c4e31775c32f59022e27dc138d2e0a3eba46e676fd38c1b9e0629be343ec2dc
- 04 L f3b7b5819d5b1e184b6b4803d8b5ce49788e54de2be2066bb1dd4f0df049a406
- 05 R 1b9a751bb9da276e7f2f220d740b11a0ea4cbcb72ccbefb0e9015735674cc48e
- 06 L b2e967178a3b5f8d8ab679e4a0d941b6629d43634de97dcf63bd5fa303c44276
- 07 L 8ff17fe63a607f2e51a08e20cfc491ae477f82ca68f75305ae2f5e881922ec24
- 08 R f7e45c74928e1540aa1878cb6af3ec502f99c5248a9a6e571399cce9a8d38b46
- root 9cb4add57d487fe1a99f8c54527792e25be28df055e9431f34e32cb93203b800