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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 - PALAWAN 3RD DEO Award a ₱18.0M contract to R.C. TAGALA CONSTRUCTIONNational agencies

Transaction hash:
bbbbdab60c4031d36610a069569395cf7f45f23a71e53006e35e8ebf73bdae5e
Status:
Included and unchanged
Block:
#2,686 3,327 blocks after it
Position in block:
Transaction 339 of 468
Award day:
Mar 11, 2016 (10 yrs 8 mo ago)
Value:
₱17,955,667.97
Project:
16EG0018-Replacement of Sicsican Bridge (B00170PW)

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)
    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 - PALAWAN 3RD DEO awarded it to R.C. TAGALA CONSTRUCTION on 2016-03-11.
    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   bbbbdab60c…bdae5enow      …
  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  bbbbdab60c4031d36610a069569395cf7f45f23a71e53006e35e8ebf73bdae5e
  2. 01 L bb6597d63bae4a41307e57be0afd2fddba8f16057140dbaf36e770adf91e8a59
  3. 02 L cd563e2ea0e9a585f19a9372e02a8c9ff29479f0c9ca0f6cb3bc433b789877be
  4. 03 R 520717d6a8e35983c10761e1b130d31ec2827cfb9cd741a23bc04ed83d2e9a17
  5. 04 R cbe4270cc98771f99669fc7eeaba856515c58b94071cf5873b02a4112057ae7c
  6. 05 L e7f1d22ff00b4a12942c4be1aec87b2d87a50dda471a68e9bdfc97b55e2ef177
  7. 06 R d2921d9fbabf7aa6ee058fb86bf7868fd977fe665a6ff30f53de53c61ce7fa8d
  8. 07 L d05795b9a0944ce65a098eb14a069747df152ea17324b458abdd59150fd3ef86
  9. 08 R a3f899ffc38dbdbd348891d0c8c8f0884423ae5c396385de326a33ab29ab9544
  10. 09 L 7cc73734202fe7ff20d4f4fdfcf56262e92775742f07f7ff52160c8e8d48c6e4
  11. root  b36c027393c1e172f85268cc0f855adfdbca5b80fa01fb90e1278cc7f489496b