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

DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE Award a ₱2.8M contract to PRECIOUS CONSTRUCTIONNational agencies

Transaction hash:

2c3f8dea2f72e7be43743ef75bc36509e49046c941087fbf6f50a6ee970deb3b

Status:

Included and unchanged

Block:

#2,179 3,834 blocks after it

Position in block:

Transaction 24 of 112

Award day:

Sep 11, 2014 (12 yrs 2 mo ago)

From:

DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE

To:

PRECIOUS CONSTRUCTION

Value:

₱2,838,650.00

Project:

14DI0004

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE

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 #2,179 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)
DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE awarded it to PRECIOUS CONSTRUCTION on 2014-09-11.
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 2c3f8dea2f…0deb3bnow …
2. Block Merkle root changed
stored cdaae1b36f…a03057now …
3. Block #2179 hash changed
stored c14c0ff14f…b242canow …

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

leaf 2c3f8dea2f72e7be43743ef75bc36509e49046c941087fbf6f50a6ee970deb3b
01 R 307257581b62e0d911cbc80b9372ce9d6da1cb40eb9dcf8194f3021a82877ee4
02 R 7f7373032395da5ee43aa400a0ad003c72e2e121cbed5c484dd0c68781e84bd4
03 R 45ceb047e07e0877f73030703f8d187e8c7243f7327f89d23b9eb419028e1761
04 L 6bf8b38c1999b07f9f3fea55e54eedbbde3bf7f53d3dc503586c2db256197967
05 L 570675ef190dccb320335ea9ea37d6bff357afd3705e0c62fd9e93b34f5713c1
06 R d1787cfda71775b76b617b87076ba7c54b9c578a238e66ad3bb6be4299bd61c8
07 R a8afdf51bae3df9568e492a7c3723722ff2ff0eb2631e34262585f8f1a77bf00
root cdaae1b36f4c3bf8faf1ba3361401bfc8c811466df000c7e22d6cf470ea03057