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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 - QUEZON 4TH ED Award a ₱27.6M contract to R.C. TAGALA CONSTRUCTIONNational agencies

Transaction hash:
f913e36ce5f91fe424b28ae73f45cc732fdf5ee706fad381a5b8da8baa77e16c
Status:
Included and unchanged
Block:
#2,453 3,560 blocks after it
Position in block:
Transaction 136 of 142
Award day:
Jul 6, 2015 (11 yrs 4 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 #2,453 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 - QUEZON 4TH ED awarded it to R.C. TAGALA CONSTRUCTION on 2015-07-06.
    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   f913e36ce5…77e16cnow      …
  2. 2. Block Merkle root changed
    stored   66a6fe00a7…6f491fnow      …
  3. 3. Block #2453 hash changed
    stored   921181fe1a…03fa01now      …
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 141 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f913e36ce5f91fe424b28ae73f45cc732fdf5ee706fad381a5b8da8baa77e16c
  2. 01 R f9f4e639404b9783e3fc2f573ea7071a80771b605feb32e9423078b57a230dc9
  3. 02 R f863e23a662fea65117f0d471a551ab9ad6ecfba11f163e86083a5a60c4bbcb9
  4. 03 R 0caf90ef634aa17dc77d76568df633af626e611ee843cb186790698498df121a
  5. 04 L 63f98edffdf46b10f3f51b45b3a8d5dec3806883dd77d16ff8f4efa2b6ceeb3d
  6. 05 R 953eea104a1c98754dc81ca4cb2f5feea2338d638fcde6ba9449d06c8c933779
  7. 06 R 56188c787cdd4dd318789d8459e2de37ea7732e7db4d5ecc68960ee5d0e6c43b
  8. 07 R 2d4f781b18d5794d640a3cf88945866a21976f14c313e58033bbdcf5688402e7
  9. 08 L 426fb5a99d83682b0c3bc6f6e23b749f5dbedc171f998109f288a29b0c0a9241
  10. root  66a6fe00a7e0bdccabf605aeec0df65e6b4f9b5b0297549b9b1da017f26f491f