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

PHILIPPINE SCIENCE HIGH SCHOOL - CENTRAL MINDANAO CAMPUS Award a ₱9.3M contract to RRMD CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

ddef31ab28199ae00d161c7ebaa658109b7d7c607b70ebe75f777255664d07d7

Status:

Included and unchanged

Block:

#1,768 4,245 blocks after it

Position in block:

Transaction 48 of 57

Award day:

May 31, 2013 (13 yrs 5 mo ago)

From:

PHILIPPINE SCIENCE HIGH SCHOOL - CENTRAL MINDANAO CAMPUS

To:

RRMD CONSTRUCTION AND SUPPLY

Value:

₱9,335,080.68

Project:

Construction of Multi-Purpose Gymnasium, Phase 1

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE SCIENCE HIGH SCHOOL - CENTRAL MINDANAO CAMPUS

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 #1,768 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)
PHILIPPINE SCIENCE HIGH SCHOOL - CENTRAL MINDANAO CAMPUS awarded it to RRMD CONSTRUCTION AND SUPPLY on 2013-05-31.
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 ddef31ab28…4d07d7now …
2. Block Merkle root changed
stored 949fa31901…af00ebnow …
3. Block #1768 hash changed
stored 98589795df…934236now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 56 records. Each step hashes the current value together with the sibling shown.

leaf ddef31ab28199ae00d161c7ebaa658109b7d7c607b70ebe75f777255664d07d7
01 R e86a61303bca399fd2efce0c30a44e37b85e924c7949f486b8a47042109ed695
02 R f911e7cb9cfa5154d70d9b0c32e368d85b7ff52273df745c5a97eba9d4e5c20e
03 R 65045dddd58d39e3f0fca50b4c3d90dff4b52ac6808cba83656c1d0db3a6866f
04 R d6acfc3486774e6c643132fde8f823b4717f4e722f40c430330d244f4cfcc1c9
05 L 7913ed185cd04dfe788859f0db95b1a2a6bbe7a3303227afbc6811327e54b3f3
06 L 0d4925d83aae32d46ad9c9d5d141588b50d6d0b55047079023cce1fee5f62c40
root 949fa319010d6b9e66d7de07f0b71dd89513c87ca110d75ed9b1120119af00eb