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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

PA BAC SECRETARIAT, AFP PROCUREMENT SERVICE Award a ₱49.4M contract to V.B. COLUMNA CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
71d7cd4d1b87f488c7482389bca900456bbb4c3082120a49bc9c86e868d18cfc
Status:
Included and unchanged
Block:
#3,288 2,725 blocks after it
Position in block:
Transaction 613 of 1,412
Award day:
Dec 28, 2017 (8 yrs 10 mo ago)
Value:
₱49,366,194.90
Project:
ENG'G SBAC3 004-17

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 #3,288 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)
    PA BAC SECRETARIAT, AFP PROCUREMENT SERVICE awarded it to V.B. COLUMNA CONSTRUCTION CORPORATION on 2017-12-28.
    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   71d7cd4d1b…d18cfcnow      …
  2. 2. Block Merkle root changed
    stored   64613355b9…bb9921now      …
  3. 3. Block #3288 hash changed
    stored   3cb6d0a1d5…43ac58now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (11 steps)

How this one record is tied to the block's Merkle root, without needing the other 1,411 records. Each step hashes the current value together with the sibling shown.

  1. leaf  71d7cd4d1b87f488c7482389bca900456bbb4c3082120a49bc9c86e868d18cfc
  2. 01 L 71842a30a60d1d32661beb1d7f556edcf51457b46732fe5dab0dd00c2be2bc95
  3. 02 R 33091a2fe86f265d6c87d3880745184e269b4084dddde536d65de58925c88ea6
  4. 03 L 80a2c49199ca02db4724425233b97caf016cbca052ad6e8a8e23b21c510696a6
  5. 04 R 8f76e1fe718cb4b38e2e8f371e402f0395cce18da9d2392113c5ab6939b7348b
  6. 05 R 085e78976548d9dbad8dba00f6e64b04a4a1a4680ca7dd8007cb46952ac0e15c
  7. 06 L af268dcbc85b1198490364d059b19d3b6fa1c356b33db342d0df0c1f232dcefb
  8. 07 L 51b9607c87d8ef29c0e8baf81c26518a6654b240a089018853d57e57256f01a5
  9. 08 R bfa47251bbd68b17efe09381e0b21b18b3db1b69b7d73a818adf70af77636808
  10. 09 R c533d3d664e8f7cda4df3a4036d48d336dfa37b0dbc748dc0ee7a5a2a29f49a1
  11. 10 L 1ff87f7a682fea3531d70648560d787120ad8368a2c3ecb3bbb14752270f7211
  12. 11 R 2ef4508f70651af07ad638e450db23cc4fbf801a34a6d7c08089ba1d7e004443
  13. root  64613355b977568d1084de9163c534dedc8c83edeb4ca2352846127023bb9921