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. 3RD DEO Award a ₱3.8M contract to HAKKATAN KONSTRUK & GEN. MDSE.National agencies

Transaction hash:

da103bec6824da8aad96f7eb23841cb819534cc2e5197249528dc50e3e989f5c

Status:

Included and unchanged

Block:

#1,526 4,487 blocks after it

Position in block:

Transaction 61 of 72

Award day:

Aug 6, 2012 (14 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 3RD DEO

To:

HAKKATAN KONSTRUK & GEN. MDSE.

Value:

₱3,844,400.40

Project:

Construction/Repair of School Building (Contract Package C)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 3RD 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 #1,526 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. 3RD DEO awarded it to HAKKATAN KONSTRUK & GEN. MDSE. on 2012-08-06.
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 da103bec68…989f5cnow …
2. Block Merkle root changed
stored ebf1b4c4ab…1df7fanow …
3. Block #1526 hash changed
stored 11a9ee5634…9fbb75now …

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

leaf da103bec6824da8aad96f7eb23841cb819534cc2e5197249528dc50e3e989f5c
01 L d70cc6eb98d94e591e385d51c8c1dd541ee6db0b3e2acd04c4559875e963cf4e
02 R a0a3bafc834424253a4dbb6e27f80fb52d51d01fa85ae379739b0fd8f2bb740e
03 L de35f61eea03cd84227e20fb092eed4a7ee16df7cd60be6360ffac44f660873d
04 L 3ca48aecc3f51ea3c53b7e9971e4470be64187b2005af9ba21f15098aa2304d5
05 L 3e5e35a12f81faa50296f218e8fe57d6fab97bd7601221bf06ff11cf8d80302f
06 L ba4e55c61567d32abdc4a695b62ee1d25aa4299e23dce6c1d00b4cbbef3aab7a
07 R f45045dccac149708e9d8190ff50228d7ba9dee9871f3cbd36e30b8e71fd6a47
root ebf1b4c4ab121d5c1f52cd00d7431e5a8d07034118490a226eba1fb3e11df7fa