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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 - REGION IV-A Award a ₱141.1M contract to SILVERWOLVES CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
cb8a3bbd67d03bf46d1c2cd93c2146380392fccda9bcd796ff680f1b0ace9d93
Status:
Included and unchanged
Block:
#5,197 816 blocks after it
Position in block:
Transaction 347 of 432
Award day:
Jun 27, 2023 (3 yrs 4 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 #5,197 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 2023 OO-1", i.e. the FY2023 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 - REGION IV-A awarded it to SILVERWOLVES CONSTRUCTION CORPORATION on 2023-06-27.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 23D00189: On-Going, 68.21% 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)
    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

2 of 8 documents found, 1 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   cb8a3bbd67…ce9d93now      …
  2. 2. Block Merkle root changed
    stored   2466c5a45a…947fb8now      …
  3. 3. Block #5197 hash changed
    stored   8ae3a1e3db…3f6dd7now      …
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 431 records. Each step hashes the current value together with the sibling shown.

  1. leaf  cb8a3bbd67d03bf46d1c2cd93c2146380392fccda9bcd796ff680f1b0ace9d93
  2. 01 L cb4fa58079a58ba2a569d35222698558c7c9dea7156435fd7f92149bf32c2dda
  3. 02 L 5904e47e536c272d74ecd1abd4edc1ccabad4501853f67da82d14b424a012738
  4. 03 R 121389cd99401e68e48d132f151be1b40c7157f781423dbcb7defb87a7df7c59
  5. 04 L 8f50680415b3bc1121ec2db159fba8f86c2e09d493337b3b6ca5daa6cb4288db
  6. 05 L 50388bca2c2e8dc73b28956fa52faa455d963a493f7a6a02411ecb9f085c74c5
  7. 06 R 35de3cb7a9480ab5a00e09e7d4faa2e62bad31ce9328543d1e6dca85d6298d8a
  8. 07 L d3fecf253b3e78dc1fe0bde11f70d625b8b5ddd8725f6082109e6776c71ecb1c
  9. 08 R ebfa8a61c29019cd81e1dc421d81911f923c28ee89db4bf5565ec4bad85e2bbb
  10. 09 L 2f09782f0cf2416fca7b00e041b6a4693fe00671cc131382c35d7b3a0c254d8e
  11. root  2466c5a45a9f195abc2b55bf2a38da2a6d723319c9c7ba377a530bbcb9947fb8