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 - PALAWAN 1ST DEO Award a ₱5.8M contract to VCH CONSTRUCTION & TRADINGNational agencies
Transaction hash:
9a3fd2da2a5ca9d86910e79ced486ba722408e64f18372d44f516c8ed2b4e5b3
Status:
Included and unchanged
Block:
#1,850 4,163 blocks after it
Position in block:
Transaction 77 of 141
Award day:
Sep 2, 2013 (13 yrs 2 mo ago)
Value:
₱5,763,100.00
Project:
13EE0106-Construction of Omao Bridge Revetment
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 #1,850 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 - PALAWAN 1ST DEO awarded it to VCH CONSTRUCTION & TRADING on 2013-09-02.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 9a3fd2da2a…b4e5b3now …
- 2. Block Merkle root changedstored 33c8b44399…ea0b1enow …
- 3. Block #1850 hash changedstored b48b38c359…af827enow …
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 140 records. Each step hashes the current value together with the sibling shown.
- leaf 9a3fd2da2a5ca9d86910e79ced486ba722408e64f18372d44f516c8ed2b4e5b3
- 01 L 9900f5a841cbc11074cfcb0f9554a1c8706e2db761401cf8c272652b469cb188
- 02 R d57838a23865f66cb0cde8da976b583cb3fe6224ac97a2f04987f6c3ab792744
- 03 L c86821c6c4798fac65ec69af40f81e42dcb425b288fe6a7f7acba1900161c12c
- 04 L 9694957ea16f60c8f77368524a0e9610f83b3101a430fb0b9a0617ee20334504
- 05 R 7b8f213ec90ad3ab6c640294e097055b2f83192ae1ec6b17116b162d54d0c559
- 06 R c90bb2d7f8ffec8ec7bb9196dda213fdbd04954415b35bc3b92797eae642d3a7
- 07 L e1ff1504d5ff65a7afe6f2bac7dd357e7dab49e7a34529ad0813174e00cfa5ff
- 08 R 43acc11433188799136b87be28a1b7ec126b4a7ebf13c983d120122b7e0d1a31
- root 33c8b443992307de259517e0cd5cb8ce87d3ac525684ef8008d57db9d1ea0b1e