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 ₱20.5M contract to ME3 CONSTRUCTIONNational agencies
Transaction hash:
310a6a4e6dbb807436bc34c15ab588e0a902ab29d6c7b408599b1555ee381614
Status:
Included and unchanged
Block:
#5,088 925 blocks after it
Position in block:
Transaction 79 of 375
Award day:
Mar 9, 2023 (3 yrs 8 mo ago)
Value:
₱20,456,037.13
Project:
23ND0028
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 #5,088 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 ME3 CONSTRUCTION on 2023-03-09.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 310a6a4e6d…381614now …
- 2. Block Merkle root changedstored 761771b91f…f849c8now …
- 3. Block #5088 hash changedstored 9fd3c3c006…ce09cenow …
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 374 records. Each step hashes the current value together with the sibling shown.
- leaf 310a6a4e6dbb807436bc34c15ab588e0a902ab29d6c7b408599b1555ee381614
- 01 L 3094aaf6b693b8683e8f373d02e1e968277b3f758016c62d4591fef35da86f34
- 02 L 545815f78b96cfe211bad5d66549b932c6fe122b35140c045691f632a6878a62
- 03 L fbc264641446ae9ee3ca09926daad3cf723848bbf82f6eb1de1674e0dea1b3ff
- 04 L 7205b2ec369910707ff2d1cd69f4a486080aeb368db0ebb8d34881723c4b9aa6
- 05 R ba9fe79eaea16155cf30045242acb31d2101b775786905d8ca7ff68c310805e1
- 06 R d5c6bc071079e3f7410b790d376854157b28721ba57c3b3d3b4b5771e96d11ea
- 07 L e86b7b5bf98f33d3ea820295f6f4591e758737db98aca00b3f1940fca855c5f5
- 08 R 7e018fc57dafbb4560755a4a1a3edc3e703782d5ac33bb78abaabaf325050f2d
- 09 R ee97f62fb52d2386a0a13f75d4c6064189dac87f2eef5e85fa581aa232be1144
- root 761771b91f841421868af087d7e862591ecb87f5d7985a73f34a7d00e3f849c8