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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

DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE Award a ₱2.9M contract to MAR-VEL CONSTRUCTION & SUPPLYNational agencies

Transaction hash:
daa6420c9e751df5b047d643e20b644da39a9fe5485b9d04e20965afa6460873
Status:
Included and unchanged
Block:
#1,703 4,310 blocks after it
Position in block:
Transaction 190 of 215
Award day:
Mar 14, 2013 (13 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 #1,703 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)
    DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE awarded it to MAR-VEL CONSTRUCTION & SUPPLY on 2013-03-14.
    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   daa6420c9e…460873now      …
  2. 2. Block Merkle root changed
    stored   3e6398c6bf…f3476anow      …
  3. 3. Block #1703 hash changed
    stored   fc71a44fdf…97f7a6now      …
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 214 records. Each step hashes the current value together with the sibling shown.

  1. leaf  daa6420c9e751df5b047d643e20b644da39a9fe5485b9d04e20965afa6460873
  2. 01 R db11cdad74ba2f4feb1737b8351f4d55b1bea758c48bf2fd102f61300c13d862
  3. 02 L 3b794601a4a8339b0154317ffb16997cf30a5e6b8b46eb0e8f710bbcf962d343
  4. 03 L 3a5d37ec48e3315c4ce731329f0591ee7640646f0b533b89ed9373ddbeeaff90
  5. 04 L b6fd2e27847778fd187cfdf171a5df4188ea6ed61f3179b72a07fb47d04dfabc
  6. 05 L be35ece563af4401c8fef1ec571826bae90b2c1d37280792e84a039b9bb245ac
  7. 06 L 33a88491aed4c319ea10bca014ff7e5fd2f28bc3b6348d0ab1a8547c4048348f
  8. 07 R 3a16578e0dff9b92b11321efe8575ea5e203ca1448c9f90412cc4bbb03665e63
  9. 08 L a13f1fdf9a6fe5860de55f358b6b1b9342703a38c15a60b8ac569d4029dfc4b5
  10. root  3e6398c6bfbf223d1f80a2b5e01c93246f06de32ff705946031bef1ddcf3476a