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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 MALABON Award a ₱142.6K contract to TAPNIO AND TAN CONSTRUCTION AND DEVELOPMENT CORP.National agencies

Transaction hash:
fbc9bbd4b137461a9d0797db06f3e1021f366c3bc74ea68c6b43ee120a0041e1
Status:
Included and unchanged
Block:
#2,898 3,115 blocks after it
Position in block:
Transaction 226 of 232
Award day:
Nov 4, 2016 (10 yrs ago)
Value:
₱142,647.01
Project:
Repair of School Building (10 Classrooms)

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 #2,898 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 MALABON awarded it to TAPNIO AND TAN CONSTRUCTION AND DEVELOPMENT CORP. on 2016-11-04.
    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   fbc9bbd4b1…0041e1now      …
  2. 2. Block Merkle root changed
    stored   5c5e25be96…e99028now      …
  3. 3. Block #2898 hash changed
    stored   c3ca1a3658…89c427now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 231 records. Each step hashes the current value together with the sibling shown.

  1. leaf  fbc9bbd4b137461a9d0797db06f3e1021f366c3bc74ea68c6b43ee120a0041e1
  2. 01 R fc68e3b43a96c26aec19e75b891f7953d47e97c40bc72545b92b4f4f25dd7544
  3. 02 L 64f759a471ba7054c033734c0d8ea824161353156833943c286eaf30a6885a73
  4. 03 R 966f73a5efd3dabbda16491fb50d8daafdb5b0d5c050b9b1260b0f0d4b63b0fb
  5. 04 R 9100f3584f65337a18da6ffcfa5661e7fecdf0b8942868bb1dafb1a372cb65ba
  6. 05 R 708cdcdd2fe0076c7a4f7b870e443632e68b35ada63dc8854b905e9d7a971d93
  7. 06 L 5663990b022f73cd74a7190a9606629938c956755c242c2c363cbfd9361ccc04
  8. 07 L 9abbb7684c90dee3803ca9871e66ae392dfc4747399d311f909c4284fc8c251d
  9. 08 L e1819a1c88e41328013bc6c9fcb2d1bbecee8d5636042eab3b4076d9ef8738cd
  10. root  5c5e25be963795eea82174f0bf5aac5105af129268d1866ce722485cdae99028