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 - NEG. OCC. 1ST DEO Award a ₱4.6M contract to TAÑON CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

ae84fb622dab216c93e4fa68222e65e39ceda14ad2aac1adb22d8b6da2d9418b

Status:

Included and unchanged

Block:

#1,576 4,437 blocks after it

Position in block:

Transaction 71 of 108

Award day:

Oct 3, 2012 (14 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 1ST DEO

To:

TAÑON CONSTRUCTION & SUPPLIES

Value:

₱4,634,125.55

Project:

12GK0019 - Construction of Embankment Protection/Drainage Channel along Bacolod North Road, Km. 96+000 – Km. 98+000 with exception, Escalante City, Negros Occidental

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 1ST DEO

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 #1,576 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 - NEG. OCC. 1ST DEO awarded it to TAÑON CONSTRUCTION & SUPPLIES on 2012-10-03.
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 ae84fb622d…d9418bnow …
2. Block Merkle root changed
stored d357e375f8…6deccdnow …
3. Block #1576 hash changed
stored 506f9831b4…b1191anow …

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

leaf ae84fb622dab216c93e4fa68222e65e39ceda14ad2aac1adb22d8b6da2d9418b
01 L ace603cd420cfaf41fafebd139a324dc75c644456e5ead58a4690a2657539637
02 L faeda12f6770805857174223dc3a60afbb2eb0486f4a0fd5d1dc70d2f308c325
03 L 82f4b02b8694fff24b6eb28e17a9ec18240dc6a1fac55d7b258f4aebded45cda
04 R 90d817c6545a03984eb410645754f5809b0f356180ec8f2ba2b0ea90a85bb2cb
05 R 3f769a4e31397975e882daa6f5fe2fcb8254fcfb6c786b240143f5448d4fdd40
06 R a8200ec1ef74781d115b7e0a12e9e1da62244afa327abaed01c9eda969af7df3
07 L ae069680f0b29393349317ffbc675d447a4ad814a9696dcdfc79d4c55a2f27ab
root d357e375f81c903604b3f9553bee09cc851b5cd27eb1b43abcd4eb9fb86deccd