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 - PANGASINAN 1ST ED Award a ₱710.6K contract to JASA BUILDERSNational agencies

Transaction hash:

512810aa23d5d5e221efa080a615f2ec2a757fd1c7617e51a5bb7a7121170aa5

Status:

Included and unchanged

Block:

#1,258 4,755 blocks after it

Position in block:

Transaction 19 of 67

Award day:

Oct 3, 2011 (15 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 1ST ED

To:

JASA BUILDERS

Value:

₱710,625.10

Project:

11AG0021- REPAIR/RESTORATION OF DAMAGED SLOPE PROTECTION GAYAGA BRIDGE PANGASINAN - ZAMBALES ROAD,KM.319+050

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 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 #1,258 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 - PANGASINAN 1ST ED awarded it to JASA BUILDERS on 2011-10-03.
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 512810aa23…170aa5now …
2. Block Merkle root changed
stored e25fc5a831…4b104fnow …
3. Block #1258 hash changed
stored 4bce14faaf…ad51a8now …

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 66 records. Each step hashes the current value together with the sibling shown.

leaf 512810aa23d5d5e221efa080a615f2ec2a757fd1c7617e51a5bb7a7121170aa5
01 L 4dca8ff6276ee0188dc34d7f984404ece1f7b6240b5c5bb029b6168338e8c41f
02 L 88d7d3f9726618475e5dc0abc7b727ed97b62a8eff53008b6163b56731b0ad12
03 R 65ab69137dabec9146962df51d83b49c8744ce8a1535894c15e0afd108ad4475
04 R 2ab9e19fe939cf3ccbf2b5d8806af71de0059e5156736879f7e30276efb56f23
05 L d25fc7ae195e5c823b5fac7626730a3a639489f921e998fbcafb6bcdc3190dc0
06 R 67becca562d4bdc54ee6fbe409b3063783d483e4038285cf78982a14d9f7c888
07 R b1e3555d2283154a2c457c970919f339bec09e272226be8f1f67d9316ed97cbc
root e25fc5a831fef0afc0a6745de2d6245c0a197fb996a592c4d25b996e1d4b104f