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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 - BATAAN 2ND DEO Award a ₱29.3M contract to 4B CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
b2b1c04b16b26ac37ec19ddec93d980b97f77e5cbbf7d6e7cbf65c2bc8613e7c
Status:
Included and unchanged
Block:
#2,339 3,674 blocks after it
Position in block:
Transaction 133 of 189
Award day:
Mar 2, 2015 (11 yrs 8 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 #2,339 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)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATAAN 2ND DEO awarded it to 4B CONSTRUCTION CORPORATION on 2015-03-02.
    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   b2b1c04b16…613e7cnow      …
  2. 2. Block Merkle root changed
    stored   13b016b5c0…3ad751now      …
  3. 3. Block #2339 hash changed
    stored   e12470b500…526887now      …
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 188 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b2b1c04b16b26ac37ec19ddec93d980b97f77e5cbbf7d6e7cbf65c2bc8613e7c
  2. 01 L b26f38901622951a526a9852c05b9f1d8c406d624fa7d0413ff0c71e25aa92d5
  3. 02 R a1456f60f67f80f6849695c3ff5d2db91ed0aafdc91ce910dfa8f7f2350b107b
  4. 03 L 05d565c1f71430d31e7d08acc6acba1423a5c2914e9c05a6fd49663e041c26d7
  5. 04 R 965649537c7d8b4065f96ed0d6a18a422ff01311d15a7fe0da7803c9accf0cd7
  6. 05 R ed0666477df20cd472e194529dbeeed2530047af6ff759480cb209e6da56fb43
  7. 06 R 082eca76ff34fda77f24e116b40246ea9715145a2687a25aff7f2b734efa023a
  8. 07 R 47d847c11787518a9a3b14a1950e019b732cf7ef3a3f24ee9f2b75bc1dc5292f
  9. 08 L 2b12392fc0d417933e24954894f7998cb49e5aa91e86a55fe5b20eb5ca926133
  10. root  13b016b5c08a2b28bfc146e829559ea0132b86f8f1ea012d72616345b93ad751