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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 ₱9.4M contract to AYLAN CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
806c8d34b36460e68b2c8a71081c65591862954db1dc64e5a20a2d8b9075c9b8
Status:
Included and unchanged
Block:
#1,707 4,306 blocks after it
Position in block:
Transaction 201 of 420
Award day:
Mar 18, 2013 (13 yrs 7 mo ago)
Value:
₱9,407,103.87
Project:
Const. Of Training Center

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 #1,707 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 - QUEZON CITY 1ST ED awarded it to AYLAN CONSTRUCTION AND TRADING on 2013-03-18.
    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   806c8d34b3…75c9b8now      …
  2. 2. Block Merkle root changed
    stored   df25d49168…a0bb37now      …
  3. 3. Block #1707 hash changed
    stored   d0397d554f…f96ff7now      …
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 419 records. Each step hashes the current value together with the sibling shown.

  1. leaf  806c8d34b36460e68b2c8a71081c65591862954db1dc64e5a20a2d8b9075c9b8
  2. 01 L 7f8ef5b644b1145a3ec03a6cf7c5ef86dde9417cf2d454e18b6f1bd5ffe89e84
  3. 02 R 45afabc3ee195f693be554421dbcfbbb9b098650a6145d4d4da8eae4182ec644
  4. 03 R 6924a27443973816332421c2110fa337ea2a67308f4c83e59e629aa59800b08d
  5. 04 L 9e6024f5b9a18752b517cb294f896e8afcccab815be0f50ecb6935fc2b14b12b
  6. 05 R 3e435774ebaedb04fa059db84b3511bb41e623362750f440c76e3fe4f7138804
  7. 06 R f4556fe20455f727303509b4eca9323fad390323f024789478eea5556b23e7ed
  8. 07 L b9614053881bfcac20fcdcca8d0586cb08e6f865adf92abb9c37e7bd2bec34f7
  9. 08 L 81fa575e44e921ab045e30d7492c44c863a4ad9deb9d41ff5f693e5efd1b2d83
  10. 09 R 0b9073ccc56980895072927713b29beaaf2bb5611c8bb300fdd5243dabf2fc34
  11. root  df25d49168018cb2d131af85d1d2be3685fb90230277c94c3563e66026a0bb37