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 - EASTERN SAMAR DEO Award a ₱966.8K contract to TUBIGAN BUILDERSNational agencies
Transaction hash:
1c96edaee2b2973cbdb8d7c180ad3cda725b49797b6c944e0dbb963f5ce60db9
Status:
Included and unchanged
Block:
#4,890 1,123 blocks after it
Position in block:
Transaction 20 of 185
Award day:
Aug 17, 2022 (4 yrs 2 mo ago)
Value:
₱966,754.67
Project:
22IB0138 - Repair/Maintenance of DPWH Building 4 –
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 #4,890 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 - EASTERN SAMAR DEO awarded it to TUBIGAN BUILDERS on 2022-08-17.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 1c96edaee2…e60db9now …
- 2. Block Merkle root changedstored 8b49d43719…4fe42bnow …
- 3. Block #4890 hash changedstored bda8a75c39…abbdd0now …
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 184 records. Each step hashes the current value together with the sibling shown.
- leaf 1c96edaee2b2973cbdb8d7c180ad3cda725b49797b6c944e0dbb963f5ce60db9
- 01 R 1f0a867cff93a38f78491c6a63622642ef973efe5e54e7d5c1f7a3a7fc2d1fa5
- 02 R 019bef8dbcd53997ead0b46c2bef7cd41a42b9fbceb203729405da3ce17dafbc
- 03 L a122081ec4472bf016a61afd7f8b70ce160257f787e0a65ff7f2dc338c4936e1
- 04 R 7b0b1141d2883461acd104cecb7b1e4e98f4651abfc3861d95346bfe82f81266
- 05 L bb6004a836f2a71eecda6d092ad62dc48eb7cefa27459e36f9ac7a3a8c86375b
- 06 R 610fd63747463a17d28c1e14844e9de10cf9091c7b53b1c0f5ca27cbf51ec2bf
- 07 R 3f9edb72eebdfda5f515e835b6ec0829c1bdf964ac7e56d27aa0ed76d7822c94
- 08 R 8419fdd446f040a2f382d108bf94648d5cb18265e031125556fd04e3cc9abaed
- root 8b49d4371952aa4d6b7347e939327dbb3c647dd6c95d8838ec6da7f8124fe42b