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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

KALAYAAN ELEMENTARY SCHOOL Award a ₱298.7K contract to NEL'S LABOR CONTRACTING SERVICESNational agencies

Transaction hash:
54b8b5950b372eb84d7cbe0aac41f3b5f7317b1e6b4d10d30a4e46152cc39920
Status:
Included and unchanged
Block:
#1,776 4,237 blocks after it
Position in block:
Transaction 2 of 5
Award day:
Jun 12, 2013 (13 yrs 5 mo ago)
From:
KALAYAAN ELEMENTARY SCHOOL
To:
NEL'S LABOR CONTRACTING SERVICES
Value:
₱298,735.03
Project:
Construction Works
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
KALAYAAN ELEMENTARY SCHOOL
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 #1,776 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    The award does not say which budget line pays for it.
    Not published
  2. 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. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    KALAYAAN ELEMENTARY SCHOOL awarded it to NEL'S LABOR CONTRACTING SERVICES on 2013-06-12.
    Found
    Open
  5. 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. 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. 7. Completion
    Certificate of completion · Sec. 5(d)
    No completion certificate published.
    Not published
  8. 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.

  1. 1. Record fingerprint changed
    stored   54b8b5950b…c39920now      …
  2. 2. Block Merkle root changed
    stored   d1fe0e8a7d…d09628now      …
  3. 3. Block #1776 hash changed
    stored   b6534b51c1…c53579now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 4 records. Each step hashes the current value together with the sibling shown.

  1. leaf  54b8b5950b372eb84d7cbe0aac41f3b5f7317b1e6b4d10d30a4e46152cc39920
  2. 01 R a1627ccca65cbe23a6af7e61905a1d79d7ab0ec395b41595780c4aa18205f9f4
  3. 02 L 3025f55d0e60b1c9058649989bfc828a3d10f12a0b988f150f569869152752b4
  4. 03 R dd5053871c37ce83b64f1ba51c226313bdd865bd6eb3928a21780e566615dab2
  5. root  d1fe0e8a7d2f232f3a137eb6f00065a84b2c3fdc3172e1ea49f13294f8d09628