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 - SOUTH METRO MANILA Award a ₱11.5M contract to SPRING STAR CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

da1b0951667dfe698288d4e2ec15a5e5635908b918640ee4905ab64f7d19d74e

Status:

Included and unchanged

Block:

#2,098 3,915 blocks after it

Position in block:

Transaction 94 of 114

Award day:

Jun 10, 2014 (12 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SOUTH METRO MANILA

To:

SPRING STAR CONSTRUCTION AND SUPPLY

Value:

₱11,461,600.49

Project:

14OH0018-Baseco Alley III, Baseco, Port Area, Mla.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SOUTH METRO MANILA

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 #2,098 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 - SOUTH METRO MANILA awarded it to SPRING STAR CONSTRUCTION AND SUPPLY on 2014-06-10.
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 da1b095166…19d74enow …
2. Block Merkle root changed
stored d122f9eebf…4906ednow …
3. Block #2098 hash changed
stored 6858b50f06…a43fd9now …

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

leaf da1b0951667dfe698288d4e2ec15a5e5635908b918640ee4905ab64f7d19d74e
01 R db69591afe27d887df30ca2a2add9217dc48bf2d3432c5db0742ea313ad3a81d
02 L f462f6e1b4e9593e5267fc1a95f02720c3a4728ee6eda2c330e4a7a079196a36
03 L 07e41475ceef9b04ddb34c77b94ef684302cec02efa822961dcdca4704f9fd3f
04 L 817f9917ab16d9c1b2f1f79a44fc65a684696a0513df1cf313eaec923d19c1d9
05 L 3f10175c5e951391cd2f5492103bb7e58b1d5075263f362ba73fea6aac61b04d
06 R 57ce33c9f949ec132b02bf4177fdcfd186b1c3e48d8025c8d594b66352d22363
07 L cd70fb74fbb694d1a30d8b2ff07183489c50636a1d6615b5625ab2c5a5bc27b6
root d122f9eebf4c9d3a03e42dce446112922bce88858bf9a22014c5cb4c104906ed