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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 - DAVAO CITY DEO Award a ₱2.9M contract to WANGCON DEVELOPMENT CORPORATIONNational agencies

Transaction hash:
c699981fea4e288bd12ad5bf7d19661098648252c276e2744385ef2cc9826767
Status:
Included and unchanged
Block:
#4,428 1,585 blocks after it
Position in block:
Transaction 222 of 285
Award day:
Apr 22, 2021 (5 yrs 6 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 #4,428 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 "Regular Infra - GAA 2021 LP", 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 - DAVAO CITY DEO awarded it to WANGCON DEVELOPMENT CORPORATION on 2021-04-22.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21LB0151: 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 2021-09-29). 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   c699981fea…826767now      …
  2. 2. Block Merkle root changed
    stored   b78ee2e6bb…07c07cnow      …
  3. 3. Block #4428 hash changed
    stored   ebffb29a4d…de3336now      …
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 284 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c699981fea4e288bd12ad5bf7d19661098648252c276e2744385ef2cc9826767
  2. 01 R c73ca08f45edf567893697a8741ac001002a96458b6fd1e05d52d79141a71372
  3. 02 L 602a53180e36fd4da3634c6dee05ffc080ceed83ce54dfd4c9e9be01d5129677
  4. 03 L 713dd2764fc91fd8fd9fb3a4db8dbe54b127a102e8f6b9fe859c37d8568532ce
  5. 04 L 5051cc02cb15c21acd22616db4abee68b91e945c6f5519fa6a12d4d2433ae95f
  6. 05 L 7ed15e9841426413efc9decb4ea2beb20a94e5213eebd9b34f6fa146467368d1
  7. 06 R 3e600e5425e5d0484acb1040a153d76304c71722084fb699efe57e2955afba97
  8. 07 L 1bd352fcc5141111e53a1dd5e7fd762c1712ee2c9fa6065266694cbfdd2bc9aa
  9. 08 L 18b0f32b0cb8229d590fd006acbd93270fcae6d128a97d77bc6d39a197b04e29
  10. 09 R 5ea04a71de30cbad1cfa2ef4bf81d3c29c9292199b4449136826ecdac18a48cd
  11. root  b78ee2e6bb63d2b764ba5a3a257c2857788bb3d8d8ad404ab32445a45a07c07c