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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 PUBLIC WORKS AND HIGHWAYS - CAVITE I DEO Award a ₱7.8M contract to C.B. TAMPENGCO CONSTRUCTION & SUPPLYNational agencies

Transaction hash:
5e1dd3bf211a65719dddf10d530104b3fdb3c59f977659a568be9049d0785c54
Status:
Included and unchanged
Block:
#4,634 1,379 blocks after it
Position in block:
Transaction 98 of 272
Award day:
Nov 19, 2021 (4 yrs 11 mo ago)

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 #4,634 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)
    DPWH lists the funding source as "Outside Infra - GAA 2021 DepEd BEFF", i.e. the FY2021 GAA. The exact UACS line is not given.
    Partly
  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 PUBLIC WORKS AND HIGHWAYS - CAVITE I DEO awarded it to C.B. TAMPENGCO CONSTRUCTION & SUPPLY on 2021-11-19.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21DF0227: Completed, 100% physical progress.
    Found
  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)
    DPWH marks the contract "Completed" (end 2022-05-03). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 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   5e1dd3bf21…785c54now      …
  2. 2. Block Merkle root changed
    stored   77cc858471…842b86now      …
  3. 3. Block #4634 hash changed
    stored   8b76d29ee5…6189e3now      …
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 271 records. Each step hashes the current value together with the sibling shown.

  1. leaf  5e1dd3bf211a65719dddf10d530104b3fdb3c59f977659a568be9049d0785c54
  2. 01 R 5e64272292462ac6c90e661c777b1f7957d71afacd8e6e6a68a50bca00192596
  3. 02 L 595e991df2c0c72c6d43297738258d46eaf16f1edcad8b65ee3ee4bba1944548
  4. 03 R 848b84e3331587c062f3ccfc21a0c54b2cd75548fd782ba394b888974f5be69f
  5. 04 R cce97a9a16a97580bc9cd5852bcd42e5d481e284ab38fafc5aacad97021c53d1
  6. 05 R 60def0ae7db7e117f37a62316c89d51b29e4bf285f2da276f6607341b5540735
  7. 06 L ae2abd769f9dcc754c25c13a1e714557048b991ee343373fd2a001d6f2b665fe
  8. 07 L 114ef1120722a6a31bf14b859fea7e5037cf0bdc496659eb69c6a078f94d401c
  9. 08 R c97c08f232bd5da25193ac1dd438eabfd308619ef091e1cd6b3c2cc772094e84
  10. 09 R 5683082952e0caa21d002ed14f7d5d4b6eb7edc98dd4d99bf7f2c132a3aa04e6
  11. root  77cc858471815898ed36cc68713aba994aea292d64cd536c7c07a9f6ec842b86