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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 - BULACAN 1ST DEO Award a ₱18.6M contract to PRECIOUS CONSTRUCTIONNational agencies

Transaction hash:
b54d0737c8b5b7ec7bccbed3dec16c90afc866f7f63f3514e6e53846c5758de5
Status:
Included and unchanged
Block:
#2,686 3,327 blocks after it
Position in block:
Transaction 331 of 468
Award day:
Mar 11, 2016 (10 yrs 8 mo ago)
Value:
₱18,600,599.75
Project:
Malolos-Paombong-Hagonoy-Calumpit Road Calumpit,

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 #2,686 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 2016 Locally Funded Projects", i.e. the FY2016 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 - BULACAN 1ST DEO awarded it to PRECIOUS CONSTRUCTION on 2016-03-11.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16CC0018: 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 2016-07-21). 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   b54d0737c8…758de5now      …
  2. 2. Block Merkle root changed
    stored   b36c027393…89496bnow      …
  3. 3. Block #2686 hash changed
    stored   f551ee766c…631e76now      …
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 467 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b54d0737c8b5b7ec7bccbed3dec16c90afc866f7f63f3514e6e53846c5758de5
  2. 01 L b54ad6112203e55d577814a2080559f3aaa059f4619e78e81fb6f616e48bc6e2
  3. 02 L dba04421101c8a8dbffa16ca9455e391b5382be3c64dce7ef98aee90bdedd11a
  4. 03 R 887f71f45b36e322b44127e0b689b26a58e302af7c72000e4a48d5bc8d38586d
  5. 04 L 3f9b96242f90ceb28bb0ac6fb561c6e07bcd65527c5394bdbc13eae8a342befd
  6. 05 R a4623c30b655ec9238a69d3ba7b0cb993c0976e97d0931b8a61d6176065242ff
  7. 06 R d2921d9fbabf7aa6ee058fb86bf7868fd977fe665a6ff30f53de53c61ce7fa8d
  8. 07 L d05795b9a0944ce65a098eb14a069747df152ea17324b458abdd59150fd3ef86
  9. 08 R a3f899ffc38dbdbd348891d0c8c8f0884423ae5c396385de326a33ab29ab9544
  10. 09 L 7cc73734202fe7ff20d4f4fdfcf56262e92775742f07f7ff52160c8e8d48c6e4
  11. root  b36c027393c1e172f85268cc0f855adfdbca5b80fa01fb90e1278cc7f489496b