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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 2ND ED Award a ₱6.6M contract to E.F. CHUA CONSTRUCTION, INC.National agencies

Transaction hash:
2c338c8336ffc8a8a997866af9877835a5a432bf58c0529dbc0c36812a20f9ef
Status:
Included and unchanged
Block:
#3,415 2,598 blocks after it
Position in block:
Transaction 40 of 164
Award day:
May 10, 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 #3,415 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 2ND ED awarded it to E.F. CHUA CONSTRUCTION, INC. on 2018-05-10.
    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   2c338c8336…20f9efnow      …
  2. 2. Block Merkle root changed
    stored   67e6cfa0a4…3382b6now      …
  3. 3. Block #3415 hash changed
    stored   59c97025e7…5146f7now      …
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 163 records. Each step hashes the current value together with the sibling shown.

  1. leaf  2c338c8336ffc8a8a997866af9877835a5a432bf58c0529dbc0c36812a20f9ef
  2. 01 R 2f94a54f061059a33cf4b486498eff92501052d61ed05aba83933e3bbab251b6
  3. 02 R e40b9646a87b2843657e811ef4654a4fceb8c2ba4510e40fdc56b63dd262ed4f
  4. 03 R 53a3510a5bab6207732797640dcf3abd3bb550266a0fcdd449b025de379d4594
  5. 04 L 4a12079c562e4f32b274dba9d32c25d12e11bb8f9dbebe80c5ad172f83a9019c
  6. 05 R b34daee29b0de61e9b76a8c697d464e67a9fa6627407a1acd2131389cecb2243
  7. 06 L 39e7dc8d57e7d57d6fc5ed2a615501cac95244b7205b3e9ab0e85c24cbf85081
  8. 07 R 39c6b10887676971daaf9f3e682a2de906eff1ac573959cf8ec873cac9732d93
  9. 08 R 46feae74a4bf9e7c7710a9124ae2ea43199eaa8d40b07596f017a8339196bf02
  10. root  67e6cfa0a48c067fae4d1310c7a8866fce82576aa7e0808ccc39155b353382b6