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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 - NEGROS ORIENTAL 2N Award a ₱2.0M contract to R.E. SINGSON CONSTRUCTIONNational agencies

Transaction hash:
0bc1f366cc9d4eda8d32fb131d3e224201462ef047e4f4699d4fd64d0cfc3f3f
Status:
Included and unchanged
Block:
#2,913 3,100 blocks after it
Position in block:
Transaction 9 of 152
Award day:
Nov 22, 2016 (9 yrs 11 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 #2,913 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 - NEGROS ORIENTAL 2N awarded it to R.E. SINGSON CONSTRUCTION on 2016-11-22.
    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   0bc1f366cc…fc3f3fnow      …
  2. 2. Block Merkle root changed
    stored   1f9ad56c2e…6a367anow      …
  3. 3. Block #2913 hash changed
    stored   c2055e4a22…eda9fbnow      …
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 151 records. Each step hashes the current value together with the sibling shown.

  1. leaf  0bc1f366cc9d4eda8d32fb131d3e224201462ef047e4f4699d4fd64d0cfc3f3f
  2. 01 L 0b091094ac141a646c3e05faec76f4d5698d046d0e261ed50302ee02665754b8
  3. 02 R f6d2a466155b78e221f56f2f6e85424daaacd4739291f8afa9af5e0480c4acd9
  4. 03 R 290071263e0299480e2a7d3c6cfc73ce55ffa7ba14ab0111022009100f2e839e
  5. 04 L f3916ac89bf1ab7aab83da1ff72200c357d9472b8583bdb6991d2871574acc1b
  6. 05 R 8dae2c51b02b031315f91c8ccf361a5e8464509263becb64a2925999d5f4e3ef
  7. 06 R b38663ce452dad8fe62075ec627054983608da1c1c71dc73267d0b5a362a27b3
  8. 07 R 3ab32adecbd5d3bd08cde8c68979d9c2647935fb2c56a3eea36e6a339d748a4d
  9. 08 R 17dad7fb217b3a6d80c99e8ef900e8b56ce7edde441b55c7605d8df9ce562f25
  10. root  1f9ad56c2ec33b10f12dac03ec66a3e084e7257d0aab2f63737902888b6a367a