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

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 1ST ED Award a ₱2.3M contract to G.O. MARRON GENERAL CONTRACTORNational agencies

Transaction hash:

8c8f8b4dd60c45a302c8dcd392df381c18fec5321e8951606b87ccdbabffaac0

Status:

Included and unchanged

Block:

#1,905 4,108 blocks after it

Position in block:

Transaction 60 of 111

Award day:

Oct 31, 2013 (13 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 1ST ED

To:

G.O. MARRON GENERAL CONTRACTOR

Value:

₱2,272,918.04

Project:

Civil Works, 13AE0056

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 1ST ED

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 #1,905 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 1ST ED awarded it to G.O. MARRON GENERAL CONTRACTOR on 2013-10-31.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored 8c8f8b4dd6…ffaac0now …
2. Block Merkle root changed
stored 47a132d084…2013benow …
3. Block #1905 hash changed
stored 7e10efff81…bdc9bcnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 110 records. Each step hashes the current value together with the sibling shown.

leaf 8c8f8b4dd60c45a302c8dcd392df381c18fec5321e8951606b87ccdbabffaac0
01 R 8f225e6adf34fd305290fc386c2becf51090a41e64edf7e1e3fef4a8b4662e55
02 R ecafe5a3bbea5b2e6b8de490a891b67e7de4cba4aa29a1c62dff3f512afa8cf6
03 L 893282a6835eee34bae96b8875c234b4ef439e338d4712096199d5591445ead7
04 L f2f796bd2e324bf4912854cd558e089b7a96db42913048846ce3839b0080d7cb
05 L 3cb1dd9ca6e70ab8c1ba25d4030c87242feddb8458a7408e5e376417e55cd933
06 L eb743baaecdb5a03e2a1d9770aed0dec3f5b66df57b7aa35cd3ecb3c645fd76c
07 R fbbf0eff6b3d47e1e376b49ac1353d316af665489adc72dcad2c54001d7de6b4
root 47a132d084a9403241efc594e1972563fb654f828fab5986e5cb66116a2013be