Skip to content
FY2026 GAA: ₱6.79T
PisoScan
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 EDUCATION - DIVISION OF CAMARINES SUR Award a ₱106.6K contract to PHIL MANNA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
0a4ea31c008bd7050ca910aa68b068fd4b432ad8f3bc66c61be911d8325995ef
Status:
Included and unchanged
Block:
#4,364 1,649 blocks after it
Position in block:
Transaction 6 of 316
Award day:
Feb 15, 2021 (5 yrs 8 mo ago)
Value:
₱106,622.96
Project:
INSTALLATION OF MATERIAL RECOVERY FACILITY (3

Accountability

Bill Sec. 3 and 19
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 #4,364 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)
    DEPARTMENT OF EDUCATION - DIVISION OF CAMARINES SUR awarded it to PHIL MANNA CONSTRUCTION AND SUPPLY on 2021-02-15.
    Found
  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   0a4ea31c00…5995efnow      …
  2. 2. Block Merkle root changed
    stored   3b493f5f7e…5f7feanow      …
  3. 3. Block #4364 hash changed
    stored   0d3127cae0…cf28f0now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 315 records. Each step hashes the current value together with the sibling shown.

  1. leaf  0a4ea31c008bd7050ca910aa68b068fd4b432ad8f3bc66c61be911d8325995ef
  2. 01 R 0a846c723750ca9852b0ba29422899cd7d3754c25621cb6e6a055397a8f144a9
  3. 02 L 53b5b6947ee24d47b17d2c1b584861ca39d61aebb78c8c576f2f7f5653d57bc3
  4. 03 L 87c54da430e14a455cded82c5d9d2f9712311f75a06270817cad09cb23bd49eb
  5. 04 R fb8feb521aa325387c875779455ef0141acdca3505e84182ff07dc77d7b2563c
  6. 05 R 0c4c601fae42db70efe739f7b8a2193557b5d27fd9b19c4107b098796d37da37
  7. 06 R 20778675c52b5600b5869af9f1b85bf1fbcaf634c16496f478fd6f5b0f7638f9
  8. 07 R cd0099e8cfd88b5bed2d2b827398703c2dd4a1f765fbe8856f679af2bf34fe2f
  9. 08 R a9697dfeb54d7c0b24cee707697df09d0b9068dd7fd29f476e4b8eedd0bee6f3
  10. 09 R f28e4c03436f599e2b460393b75434b088c1ef3430a8fcbd032d6610a1c414ff
  11. root  3b493f5f7e60739d0fe98621a32bfa68115e560c980cb2ec12614163b55f7fea