Skip to content
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 - DAVAO ORIENTAL 2ND Award a ₱3.0M contract to RANGAY CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
5dd6bbf3ff4da25791802e6da754cef104d1e72257d32058582e8cf2a6ab4fee
Status:
Included and unchanged
Block:
#3,399 2,614 blocks after it
Position in block:
Transaction 99 of 274
Award day:
Apr 24, 2018 (8 yrs 6 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 #3,399 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 "Regular Infra - GAA 2018 LP", i.e. the FY2018 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 - DAVAO ORIENTAL 2ND awarded it to RANGAY CONSTRUCTION AND SUPPLY on 2018-04-24.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18LG0060: 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 2018-08-11). 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   5dd6bbf3ff…ab4feenow      …
  2. 2. Block Merkle root changed
    stored   b48142407f…590710now      …
  3. 3. Block #3399 hash changed
    stored   120a6b4df6…45a80dnow      …
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 273 records. Each step hashes the current value together with the sibling shown.

  1. leaf  5dd6bbf3ff4da25791802e6da754cef104d1e72257d32058582e8cf2a6ab4fee
  2. 01 L 5ccbf798bd2a0308b2b1bda9d867247f878b596398e0f43ebee25cb50919d190
  3. 02 L a5a0134baf2aec47cf46af8f1f7b3a9a8e0e71513337ab73c35ff43d15b5aa15
  4. 03 R 08afce65dbed1c881a70bd3e79bc779a1db9e74b124089993613ea5d0d6b762d
  5. 04 R c6612ca228be220bbf3f1a1c58c4932d328732ce6b388835758bfc5f2dfd25e6
  6. 05 R dd3cd066b0d30f977a5ea82477b1142651772959d203315854085e0103fa6986
  7. 06 L c06a080963e9fda549ab086682c717e91f20ce311283646c7d5d52e0c30dc405
  8. 07 L 00ebfa248c0ef1ccd643233dbffc603688f1641df6599507e1d5bf267156f683
  9. 08 R 07d77dfacbda8e06bdd28d79ee0a4fff337a3419e9510883d09e99ff2ad77d97
  10. 09 R 82516f25e7f8cd8965e89fad1a49366ff8a51b99bad453c106d324a397959a8d
  11. root  b48142407ff2e68a365486563275cc8be2275dbbb131f746c3d3de69df590710