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 - TACLOBAN CITY SDEO Award a ₱14.0M contract to FERDSTAR BUILDERS CONTRACTORSNational agencies

Transaction hash:

5a03e847a185cf6950c75e795da8ddb9070183efbb78700fb2edea05fec6f7c6

Status:

Included and unchanged

Block:

#1,140 4,873 blocks after it

Position in block:

Transaction 16 of 29

Award day:

May 11, 2011 (15 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

To:

FERDSTAR BUILDERS CONTRACTORS

Value:

₱13,965,208.89

Project:

Rehabilitation/Reconstruction of Avenida Veteranos Street K0+000-K0+640 (Junction Rizal Avenue to Junction Paterno) & K0+000-K0+230, Tacloban City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

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 #1,140 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 - TACLOBAN CITY SDEO awarded it to FERDSTAR BUILDERS CONTRACTORS on 2011-05-11.
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 5a03e847a1…c6f7c6now …
2. Block Merkle root changed
stored d04fe1c549…a2dd9dnow …
3. Block #1140 hash changed
stored 1613ca6076…156cb6now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 28 records. Each step hashes the current value together with the sibling shown.

leaf 5a03e847a185cf6950c75e795da8ddb9070183efbb78700fb2edea05fec6f7c6
01 R 5e1732daf2b4871a38b525092fd725b1b7c2c551e55dab89b12c974369d832cd
02 R 32848ad612993352f44eba89fd6f0913fc84913ca82f413a55785268c6b7a09d
03 R d3c1dfd5dbd3be0493d09dbec71a8acca41a2e665b48bc4cce8fcb5427100b17
04 R 09ed25bd0f24b41214c7b7ee1f749d1341df515641a56985977dac3f8289248c
05 L 35d6445e99f722fadc4026149d33a930c14a69312e620b1bf9663409e4734609
root d04fe1c5496c7616870c6fba5459b992796e43cb35e17d8c7472c4e867a2dd9d