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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

DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE Award a ₱946.0K contract to R.D. SADSAD CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
b0cfd72f221d17c4b3a6330aee438ed41db506ccacc07d8e0a5f5b1399847209
Status:
Included and unchanged
Block:
#1,818 4,195 blocks after it
Position in block:
Transaction 70 of 100
Award day:
Jul 31, 2013 (13 yrs 3 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 #1,818 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)
    DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE awarded it to R.D. SADSAD CONSTRUCTION AND TRADING on 2013-07-31.
    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   b0cfd72f22…847209now      …
  2. 2. Block Merkle root changed
    stored   5fffaff866…02b0a1now      …
  3. 3. Block #1818 hash changed
    stored   505a8cf1d7…4c6497now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 99 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b0cfd72f221d17c4b3a6330aee438ed41db506ccacc07d8e0a5f5b1399847209
  2. 01 R b1de9c1b10f9c7fb107587db5161b728473f19ed2a56cd3430835186d1891e00
  3. 02 L 64c55db79cb64bcf949357aed3a8d0cbff88d0931eaf224f52301b240f8870a4
  4. 03 L d38ed82c90c6838fa7f5fd37059387ac36a8297180384bc5e4c1e741f9e1a03a
  5. 04 R 4da06cd69770b4c66cb4efbee081ac7f36a8c9c45f092dd31d45306e08c50ecb
  6. 05 R 7182d8cde379a0a63b94027d9a4d2781474c154166b82434a4574eda0430cfc3
  7. 06 R 0bccaacf57e2cb211b85e999ff2cf52d462c9dd9f27cda05415f432c0fc1cae9
  8. 07 L f0bcc2e438c597b61ff5bff79ba092b23bddb5ddfcffba3d9bfe0a99deda97c2
  9. root  5fffaff86602c24872abbaa94c4baaaec1a0c9442b8bf54a412a256a3502b0a1