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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 - DINAGAT ISLANDS DI Award a ₱71.5M contract to CARTESIAN BUILDERS CORPORATIONNational agencies

Transaction hash:
b30ec1be68d8e50e2e398aef506fbe9c9d56d1ccb361db0d6bb8da6d911010c4
Status:
Included and unchanged
Block:
#5,416 597 blocks after it
Position in block:
Transaction 291 of 409
Award day:
Feb 14, 2024 (2 yrs 8 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 #5,416 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 2024 OO-2", i.e. the FY2024 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 - DINAGAT ISLANDS DI awarded it to CARTESIAN BUILDERS CORPORATION on 2024-02-14.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 24NE0030: 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 2024-10-30). 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   b30ec1be68…1010c4now      …
  2. 2. Block Merkle root changed
    stored   007b7fae81…b3b779now      …
  3. 3. Block #5416 hash changed
    stored   bf2c6ddb6f…2b59adnow      …
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 408 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b30ec1be68d8e50e2e398aef506fbe9c9d56d1ccb361db0d6bb8da6d911010c4
  2. 01 L b2c0f2dd31c1e95d0baf0f5c0b46b138d919cf772535fefc23a1525e9cce9359
  3. 02 L 3f8e4a15f03d493582355198031f434cc47eb623cdf810f5929132bb959b5803
  4. 03 R 0cdd1ec0b0b99de41fa6a44bc72405c7d499c8bea6bfbfb8dcb0b8fc283d543a
  5. 04 R 67e0ff98e3d5aa095e5c26e738b1aede77c2004b0dfb9dbb05c59260308dfa83
  6. 05 R d16de14c3f2882d74163b2bbc8546146a18795b3c22d54e045822818f9565efc
  7. 06 L db98d4340c0628bd476dab59978df332671864a16503408b50a937e34e9cfc82
  8. 07 R b6fc9817d114ab102981fa11f5b91b28245915594ab8782b0259a9b3e2e43a91
  9. 08 R c5c4de38028aee190279df2e609e2ecee91bb48e1b71b56dfa759a02ede7896d
  10. 09 L 4bedeabaf873676998b6b67d083b304a1547cc573578c2fc39b2cc5f34a1d850
  11. root  007b7fae811cfd46d0c9b142d9641995b0b5253f1db86fa7ecc9cdf9abb3b779