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 III Award a ₱155.9M contract to GVDPM CONSTRUCTION CORP.National agencies
Transaction hash:
253a4ccdd591ee95fbba13df7a29bdc1da39c0b30485746693b82c85165777ce
Status:
Included and unchanged
Block:
#3,230 2,783 blocks after it
Position in block:
Transaction 23 of 159
Award day:
Oct 26, 2017 (9 yrs ago)
Value:
₱155,851,487.18
Project:
16C00160
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 #3,230 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 - REGION III awarded it to GVDPM CONSTRUCTION CORP. on 2017-10-26.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 253a4ccdd5…5777cenow …
- 2. Block Merkle root changedstored 646c983cd2…5c73f2now …
- 3. Block #3230 hash changedstored 74578c1c0e…12b2banow …
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 158 records. Each step hashes the current value together with the sibling shown.
- leaf 253a4ccdd591ee95fbba13df7a29bdc1da39c0b30485746693b82c85165777ce
- 01 L 232e7fed700dfd5ff0bdf3f99e3b223fd70edd9839e6fc4d7ee0e684c6061e8b
- 02 L 05bc9d827b22746d5c917be94473a5d42de2ee98af064dc60c838de13dc2ecf3
- 03 L c88c43bc4880717525c98802e6ecfb2e5ed12ed3268dacfac800074113a48c23
- 04 R 97a72752eb322acbce87c057de65260181d174d7a8087d3ab399745a53d00352
- 05 L c18e831a7d540431a484ee34f429fd3d467317a08e45cdf742745d31453ad86d
- 06 R 35869d068e39956ddcc4a17bb087cbed17825b6755c9db3d9687070bc989c502
- 07 R 7887f33131ae3904a2e4cdfb61894bcf701dcf78a13dad8a01b49b87f72ddc6b
- 08 R 7f4ef8418761bec7c37e9f6da699515f31c6441ab021610640627b5276e78052
- root 646c983cd218f485dbe674584a5e288a4f6f9005c29caa3a6c48d093865c73f2