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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 - COMPOSTELA VALLEY Award a ₱3.2M contract to EXACT CONSTRUCTIONNational agencies

Transaction hash:
83e90eaee4ca7584a97b014ead504386978505639cc9e9efc72b6c8c52c717c6
Status:
Included and unchanged
Block:
#3,275 2,738 blocks after it
Position in block:
Transaction 367 of 709
Award day:
Dec 15, 2017 (8 yrs 10 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 #3,275 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 - COMPOSTELA VALLEY awarded it to EXACT CONSTRUCTION on 2017-12-15.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17LA0280: 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 2018-04-30). 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   83e90eaee4…c717c6now      …
  2. 2. Block Merkle root changed
    stored   818483a319…5b62a3now      …
  3. 3. Block #3275 hash changed
    stored   f0795061a5…c69b05now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 708 records. Each step hashes the current value together with the sibling shown.

  1. leaf  83e90eaee4ca7584a97b014ead504386978505639cc9e9efc72b6c8c52c717c6
  2. 01 L 83d9b864fdc3bc9dd650d30984ad4870f2e322942953712cb1024a75375174e2
  3. 02 L 6e8d66b63ced5d616c9f350e4684e60480dee863bd79cdaf61e0ad7b3fd50fda
  4. 03 L ae36463d6f22e5481fbe657e26612c7b91bd8149ec661c79aa59a8d83503a3d6
  5. 04 L 17e61c5cbc45fdcbf02a11f32f944dc9c607486c401c9eb1a641b223437556a7
  6. 05 R 6c62879230191ce8d8f5689e3c0bbb36e0b472c6860c3badd2564a032bc71e78
  7. 06 L 3caa69271fb66707210302db8f30871170dee21acce172f4ffc42e0ea3d8f771
  8. 07 L 2a57de979aeb81852cd8b4e888e7d346e3d3254afd2a103e8e600793336cc48c
  9. 08 R d1995356c6e903a6b044a87af57da70d534a625ad008b6dddfaf202e61339547
  10. 09 L 245fc6e0b6f7d84533f8348f9210132bcc3fb0f637645c29ac1e38917fdd5b70
  11. 10 R 42e8b77268a473e28f67a583efd93410cb581073456752f003c62ed9e86853bb
  12. root  818483a319f0453bfca1781cb820a2469afe7bee96dfa488d0915b38905b62a3