Skip to content
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

BASES CONVERSION AND DEVELOPMENT AUTHORITY - MAIN Award a ₱46.0M contract to 4B CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
fb57cfb970907e46896e91c5b6a28056c46f8b8df42d4ab6446afe9a568ed854
Status:
Included and unchanged
Block:
#2,515 3,498 blocks after it
Position in block:
Transaction 127 of 130
Award day:
Sep 11, 2015 (11 yrs 2 mo ago)
Value:
₱45,989,068.97
Project:
Improv/Rehab of Dirt Roads

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 #2,515 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)
    BASES CONVERSION AND DEVELOPMENT AUTHORITY - MAIN awarded it to 4B CONSTRUCTION CORPORATION on 2015-09-11.
    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   fb57cfb970…8ed854now      …
  2. 2. Block Merkle root changed
    stored   ea141034ba…fe57a0now      …
  3. 3. Block #2515 hash changed
    stored   057729c500…5bbc13now      …
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 129 records. Each step hashes the current value together with the sibling shown.

  1. leaf  fb57cfb970907e46896e91c5b6a28056c46f8b8df42d4ab6446afe9a568ed854
  2. 01 L fa49e1d38a0c199f375900556425cfd2a06d889e7326f224f0f241f0133c1d1b
  3. 02 L 0a15a6e0cc42914202208f963e78116d0140cc290eae65faca594b2b7a6118f7
  4. 03 L 4c26da4b7d569d72139dd8ac5a84184a204f62dcd4acd6b6aa88dec792f6908b
  5. 04 L 4fa371b61f9751d308ae3c2a569005f161ca3ea20e5a4bd30baa1731350ab685
  6. 05 L c212c8349be0b775f539843e08ed83e17e28dbf825e6b4abccbdb7dfbb4431b2
  7. 06 L 5cc379dfc9700a7fc1359cf1ef3142c03668b4355edf7b85ad58289c5a2e0a90
  8. 07 L 9e3fea742997b1df94caa27f735ec357f76bf0a5fc559d73447e29d4b22dad69
  9. 08 R bcb1acd1adb54c9c60732dfa6b15cba1be0fdad2c477ea5160b79138ea6bf8e1
  10. root  ea141034baf27cf2e430d58e2b95214a2ae066a48404caddc5c6dc771ffe57a0