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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 ₱2.6M contract to 4A'S CONSTRUCTIONNational agencies

Transaction hash:
175f2b36963c0bdad6cd6ecd9c4e0b98526da247b9abfa02d03a46b201ff223c
Status:
Included and unchanged
Block:
#2,809 3,204 blocks after it
Position in block:
Transaction 21 of 175
Award day:
Aug 1, 2016 (10 yrs 3 mo ago)
Value:
₱2,586,677.09
Project:
16BF0028 (Readvertisement)

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 #2,809 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 - ISABELA 2ND DEO awarded it to 4A'S CONSTRUCTION on 2016-08-01.
    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   175f2b3696…ff223cnow      …
  2. 2. Block Merkle root changed
    stored   05230e03f9…ce7b3fnow      …
  3. 3. Block #2809 hash changed
    stored   db7d18c925…4c22e5now      …
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 174 records. Each step hashes the current value together with the sibling shown.

  1. leaf  175f2b36963c0bdad6cd6ecd9c4e0b98526da247b9abfa02d03a46b201ff223c
  2. 01 L 175e476f456ab6318fb3cda4a1508b5600d130df6e00b4edf947e0f3a8d25c3b
  3. 02 R 4f6922cb997039b7589c3149bcceae776ebbafc4f9eb40c005aa2e3143dfb87b
  4. 03 L 342f8180e294dce8002402876e4cd5e7e412c91a5592efce650577f2680275ad
  5. 04 R aae335086a4b72a7673c9ee1375ca23826422155d805a2c0dc9dfad95e74a544
  6. 05 L 5c557e92df4b092174cba5083c1e74f713047faa9a0098f9956b06d6cb54a8b2
  7. 06 R 1a80bd4b2e61a80c124c31ac2b0a239fe617cf69000f1642676ff722233b247a
  8. 07 R abf8c16bab4e05daedb22052345cd036071e1272cca418631aa1e186cb20d8c4
  9. 08 R 47dc560da6229ee8a3607cf923e42d967313de7372f0f22e8c0b73326c1f1021
  10. root  05230e03f95d737c25bcd2764573c793d3c531999ecc98fc0d0377dce3ce7b3f