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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 - CAVITE I DEO Award a ₱8.0M contract to R2A CONSTRUCTION & TRADINGNational agencies

Transaction hash:
4e88a5f802ac5909096dcdbbe6c3d058874e69f2a59c98ccc3c3498bb2a2bffd
Status:
Included and unchanged
Block:
#4,676 1,337 blocks after it
Position in block:
Transaction 257 of 798
Award day:
Dec 31, 2021 (4 yrs 10 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 #4,676 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 - CAVITE I DEO awarded it to R2A CONSTRUCTION & TRADING on 2021-12-31.
    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   4e88a5f802…a2bffdnow      …
  2. 2. Block Merkle root changed
    stored   e2a179648a…215c3anow      …
  3. 3. Block #4676 hash changed
    stored   ed19b5e47b…1ab905now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 797 records. Each step hashes the current value together with the sibling shown.

  1. leaf  4e88a5f802ac5909096dcdbbe6c3d058874e69f2a59c98ccc3c3498bb2a2bffd
  2. 01 L 4daf8fb5f5d4f62c1224c34ac545f8c9c7ceeb66ef5b7464e0a5484067fa1e37
  3. 02 R 173f7fc5e3af2a9e8fe8e7077d7e85133d4c709fc06ad095f3cb1f2926818c3e
  4. 03 R ccf80872ee7d97fd1b970abc2ff735a4d5141346a4cb3ac39f5ae43315812571
  5. 04 R 7bdeebfd1d1a199ab9413582ab6342abd679111fdd0a530ad15260ca38467c18
  6. 05 R 64540da6a99b0ea8758155bf0c43eed14a6cad6f092ffdcf18d9cf2a13f57488
  7. 06 R 7d2c77c74900e706ff01745fc56c2c7c33d6c84fc295c1ec1f08420a42245ae1
  8. 07 R 57c8373b0f9af2f7ee3ceaf732a840446686a41f166f4ad239c03073a5452cc0
  9. 08 R 1f4954c47991d91d19a3145484b042870b6ea86b23befa2e30966191e918e683
  10. 09 L 1dfcd45119204b0eb76c4e70c1f734cc641af3eefecdb2644f7ccf3b72b29bb2
  11. 10 R 3b0a316bdefd4dbb8ad73cc58771509f7e3975493b511d11382130b851c07448
  12. root  e2a179648a6589df661534bb5271a23f726a67490558beb17a0727841d215c3a