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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 CITY 1ST ED Award a ₱51.4M contract to AYLAN CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
679b6f1ef4e0ff0405b9890276b862fba407ae4ba824ba09b7174c8e4ee5b085
Status:
Included and unchanged
Block:
#3,590 2,423 blocks after it
Position in block:
Transaction 106 of 240
Award day:
Nov 14, 2018 (8 yrs ago)
Value:
₱51,357,400.00
Project:
18OF0244 Construction of 4 storey 12 classroom and

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 #3,590 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 2018 DepEd BEFF", 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 - QUEZON CITY 1ST ED awarded it to AYLAN CONSTRUCTION AND TRADING on 2018-11-14.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18OF0244: 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 2020-05-15). 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   679b6f1ef4…e5b085now      …
  2. 2. Block Merkle root changed
    stored   f4d9e5e432…ccc72bnow      …
  3. 3. Block #3590 hash changed
    stored   14e088a56a…9f1e8cnow      …
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 239 records. Each step hashes the current value together with the sibling shown.

  1. leaf  679b6f1ef4e0ff0405b9890276b862fba407ae4ba824ba09b7174c8e4ee5b085
  2. 01 R 68f85cd3b3668e157ef27e88dab62f3b37e82d6cfa4b864532d7e07d4325b502
  3. 02 L d8857be9519db3341f8c182e4014a55e8f3144f731ebda83fd32af65f99c0c31
  4. 03 R 5f2b4283fa0f5ae98cd3e7e65883873507c04662f7a177d92832820b72bdc6f5
  5. 04 L 2734270835bfa497ff347adc5e323734002035634099d1220a9c3f7376e4a74b
  6. 05 R 98d26bd14343d48a159f279324eb0044be67f833bdd7d289dd0cd4d44e625ceb
  7. 06 L eac0059506435c18b16942a6df3d8ee8ad77e754269afd903180eaac2ed1658e
  8. 07 L 104f16df25027c87df26c5b26143f586c22171e20786a78aa4ed542e3add31c0
  9. 08 R 223ede3ca9b6253cab5bd2b57bd8b72761ab3584770f0ee70c5df329b4f90884
  10. root  f4d9e5e4324fa5b18800a85aa0177b5ac4bb99745fa021b446ca25f390ccc72b