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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

DPWH BATANGAS I DISTRICT ENGINEERING OFFICE Award a ₱3.9M contract to SANDSTORM CONSTRUCTIONNational agencies

Transaction hash:
6f7eb8535daf4db4014d93be41f76f9ee90d6eee2bda7c1fae6725966c31e5ae
Status:
Included and unchanged
Block:
#3,334 2,679 blocks after it
Position in block:
Transaction 100 of 236
Award day:
Feb 15, 2018 (8 yrs 8 mo ago)
Value:
₱3,865,000.00
Project:
Civil Works

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 #3,334 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 2018 LP", i.e. the FY2018 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)
    DPWH BATANGAS I DISTRICT ENGINEERING OFFICE awarded it to SANDSTORM CONSTRUCTION on 2018-02-15.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18DB0042: 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 2018-06-02). 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   6f7eb8535d…31e5aenow      …
  2. 2. Block Merkle root changed
    stored   1549f2cde0…3835aanow      …
  3. 3. Block #3334 hash changed
    stored   38b86f6564…a99ac7now      …
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 235 records. Each step hashes the current value together with the sibling shown.

  1. leaf  6f7eb8535daf4db4014d93be41f76f9ee90d6eee2bda7c1fae6725966c31e5ae
  2. 01 R 6fea60536cd92c9cd7ba8c77a4baf9bded2823ff1be183028a391fdac866dc10
  3. 02 R 74d8e522091b94e8b2420d1b43d2eed2856864014e0e9f1f02fd09652101ee3a
  4. 03 L dfbaffa8e7cb01f060889d4ae03ed0b6fc97aa15e0d6d8d433506fa39e1d0689
  5. 04 R 707b26f0b1eec26ea713174906940df7379633247ae65d6e2690ab98432924f7
  6. 05 R a5bde3d94deb7251bcc1fafe5580a214ff57cf4478b5af4d5a90ee182514e3fc
  7. 06 L 3afbe471a16cf2482c64d61310d3a13642d8d0dff770ac4b02e6fe45c99c5f7d
  8. 07 L 2404c5526fc6e972f538b931509da6ae34fe51d54146aa4fc828eb3a98e80135
  9. 08 R 9095df9b42574829e1e8f293abbc0d35a608548ab8bd602b0a8e802cfc2e3e39
  10. root  1549f2cde0c15fa406fa5144a5d2c34476ae3b5fc397afc0d390c0d1453835aa