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 - REGION VIII Award a ₱195.1K contract to ZAS CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

4e1e1b16a388cc43364efc338cd6a8ddf3b3f4b87ff6bc6772167a2ab3449fa8

Status:

Included and unchanged

Block:

#1,213 4,800 blocks after it

Position in block:

Transaction 21 of 68

Award day:

Aug 10, 2011 (15 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VIII

To:

ZAS CONSTRUCTION AND SUPPLY

Value:

₱195,102.48

Project:

11IE0053 (CONSTRUCTION OF MPP, BRGY. SILAD, VILLABA, LEYTE)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VIII

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 #1,213 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 - REGION VIII awarded it to ZAS CONSTRUCTION AND SUPPLY on 2011-08-10.
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 4e1e1b16a3…449fa8now …
2. Block Merkle root changed
stored 29867aad44…7fb3c8now …
3. Block #1213 hash changed
stored c9e78f411e…5fb2aenow …

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

leaf 4e1e1b16a388cc43364efc338cd6a8ddf3b3f4b87ff6bc6772167a2ab3449fa8
01 L 4cf6bbe0e547ac7a09f97e1dea3a650a78387e5c6cf75bae372d2e74a3f25964
02 R 3c868b77fb6aecc18d31c62f3ed0df228612b8c09ce5c7593c4b7d6081f3e3f7
03 L d7ac00c400801b8540a43f81fc6755d4e70eab017f8c6b44220ba3a985ed2a82
04 R 28bd729332951d0f96df00ca4afa32cbe097647283e98734e88e5ec20047b32b
05 L 73d0efc0b969fa51b8a6d48e0b75228ed7a09d2a06e53fda52915ee6f416c371
06 R 85f1d734b5eab6e1d5f0b8341c98a18008d0766b547488505a4319bfea527d2a
07 R 7df2c1ac1e55f2416cc657e47b4ff16caff4e5d4ef0a1935e1d59132428d6d58
root 29867aad44bc31aca36fd873fb0ced8b842ced81041b38fc74ff63218f7fb3c8