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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 - ISABELA 2ND DEO Award a ₱1.9M contract to SAN LAZARO CONSTRUCTIONNational agencies

Transaction hash:
a68792187eeccfc5fb7516ff248ab16d07a5f6ad0777a36a8db0480339242522
Status:
Included and unchanged
Block:
#4,435 1,578 blocks after it
Position in block:
Transaction 160 of 266
Award day:
Apr 29, 2021 (5 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 #4,435 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 2021 LP", i.e. the FY2021 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 - ISABELA 2ND DEO awarded it to SAN LAZARO CONSTRUCTION on 2021-04-29.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21BF0075: 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 2021-07-14). 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   a68792187e…242522now      …
  2. 2. Block Merkle root changed
    stored   5b7275a940…275d05now      …
  3. 3. Block #4435 hash changed
    stored   22c57fe247…e33e59now      …
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 265 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a68792187eeccfc5fb7516ff248ab16d07a5f6ad0777a36a8db0480339242522
  2. 01 R a772bfb096e0c34e3dc36b2a7db49f994ed8957d4ff188a6abfe3ac4f46dc848
  3. 02 R 64eaa5dc2b87fbd1326ec01a3f66abeab39a10d711f557d229085f3a40a5615b
  4. 03 R 931842526feb1e61771806249034d5c714634b0453d02848f0d0baea805d41d0
  5. 04 R fa6177d3eef2c96be3d8d766179be78fad9eec28078690d6291bcb302eeaff72
  6. 05 R 41cd4070d91d93c9b41691d266768260e51c6ba0b3db9c6d5e14635c310fe327
  7. 06 L 856982866489aa376f861f2c71a4a073f0de5b945e8bb2358f679b94dc7036c4
  8. 07 R 7accd7888ec193e8324e7cc87e5e6eff529fbc73d137eaa710752de18d63517f
  9. 08 L 26281108c82e9118e61686d68f53eeda40e5728be9f7729888f99c952d39f4e6
  10. 09 R 391dcccd81284a9ac2a09526c42ae725a2b735122d6c3097abf16c9522bb4927
  11. root  5b7275a9402c3ab0862269da835acb403613488e88ca30f88ce528693f275d05