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 - BATAAN 1ST DEO Award a ₱16.1M contract to SUPREME BUILDERS CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
ed97b1ea2ceaa5e40daa0a8cbe098e17ced84db13517ded686f37b8c836c7233
Status:
Included and unchanged
Block:
#4,117 1,896 blocks after it
Position in block:
Transaction 141 of 148
Award day:
May 29, 2020 (6 yrs 5 mo ago)
Value:
₱16,078,200.00
Project:
Network Development Program-Off-Carriageway Improvement-Tertiary Roads - Jct-Layac-Balanga-Mariveles Port Road, K103+180 –K0103+400, K0112+293 - K0112+840 – K0116+193.50, K0116+790.13 , Bataan 1st
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 #4,117 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)DPWH lists the funding source as "Regular Infra - GAA 2020 OO-1", i.e. the FY2020 GAA. The exact UACS line is not given.Partly
- 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 - BATAAN 1ST DEO awarded it to SUPREME BUILDERS CONSTRUCTION AND TRADING on 2020-05-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20CA0022: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2021-03-16). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 ed97b1ea2c…6c7233now …
- 2. Block Merkle root changedstored 4f6a5dfc3a…77e23enow …
- 3. Block #4117 hash changedstored c6713ef79a…c3d30cnow …
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 147 records. Each step hashes the current value together with the sibling shown.
- leaf ed97b1ea2ceaa5e40daa0a8cbe098e17ced84db13517ded686f37b8c836c7233
- 01 L e9942eac15763d3b23aa2884fe8f97f19f13befda315b902fa0c35f4b19e5d41
- 02 R 644202aba54bf8bb844deacd88e4fbe875b4534e555e5884a1a9c6eecbb06c80
- 03 L 09e3699de5a8c15dc54e3593e9f2494740486bf5aec3c1ded2894305fedbc44d
- 04 L b928676789315d3e150dd826c6c1464b936b5d27c98ed3f360c29d99d37a080a
- 05 R 116b63ed45354f7e4db4190d11a88a1f29150a391aff45f956f730f825b6bd31
- 06 R 344d8e6e98d4d8f6ad7af53099cf8d7747f06eec9e75a01dc935840f462d411e
- 07 R a456afc5c6c7383477bbaaac0f600552389f59aba282cf227f249e8535e6cd2c
- 08 L 1aba7b5540e2ab3e2bfe8f21e7c788865742172e0cc52ea8172f659fcc76f3ce
- root 4f6a5dfc3a36933d055990a2d13840ac1f46c42729570d5756fe07602f77e23e