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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 - CATANDUANES ED Award a ₱2.8M contract to NVR CONSTRUCTIONNational agencies

Transaction hash:
c4f58d0d03e7d70109eebe167eab016a0c2ba5a7e10c6082e0b2159ce6c152e7
Status:
Included and unchanged
Block:
#3,257 2,756 blocks after it
Position in block:
Transaction 343 of 449
Award day:
Nov 27, 2017 (8 yrs 11 mo ago)
Value:
₱2,844,367.82
Project:
CONSTRUCTION OF ONE (1) STOREY TWO (2) CLASSROOM S

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 #3,257 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 "Outside Infra - GAA 2017 DepEd BEFF", i.e. the FY2017 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 - CATANDUANES ED awarded it to NVR CONSTRUCTION on 2017-11-27.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17FH0172: 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 2018-10-31). 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   c4f58d0d03…c152e7now      …
  2. 2. Block Merkle root changed
    stored   63db5df313…e04636now      …
  3. 3. Block #3257 hash changed
    stored   f5a3f36d76…61156dnow      …
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 448 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c4f58d0d03e7d70109eebe167eab016a0c2ba5a7e10c6082e0b2159ce6c152e7
  2. 01 L c4bb2591050e0d07739b6f4615d3287ba6073ccb11fd986444653f6fe744ebf7
  3. 02 L b517390abcaec9c577ff02b522451b8fb5bcd31919b59c1aad4d9367d6563bde
  4. 03 L bc464b1f95d2f671640321417d61ec7325431e62bc5c42952f9a1faf2cc9bd02
  5. 04 R 6ccd0c1542a9e034984d19fb24ebdcc88a97349ca82278f6229b2f67c716c02d
  6. 05 L 32c1ab00e50dd08f8abcd83f09257177046a93defc8f382fd58b1a6b862ce912
  7. 06 R fc78ab87044baf0ceccd0590017f486f6effdb8388fead05590a27fc0ddc6275
  8. 07 L 07e7774242ac9882d0b986db771fe7371a08079fb868df40b9381e52c2b22ee2
  9. 08 R 5f6194acfb3c7bafbe193d807f79ef7cf46524704b81791b8ce4bb16a4e8385e
  10. 09 L a7ba5bd32f3b73be2be95512b95556b78957f78fee052031268a1801757002b7
  11. root  63db5df313eb89127fa51dfc694b3c0fcb709736f11ceaf0dde5a3fbcee04636