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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

METRO MANILA DEVELOPMENT AUTHORITY Award a ₱3.0M contract to A.J. LAVA BUILDERSNational agencies

Transaction hash:
e1d58cea2742b8564eb1668dbb7941918c11d93ae0d4f8fea2b876d5bf92b8bb
Status:
Included and unchanged
Block:
#2,554 3,459 blocks after it
Position in block:
Transaction 142 of 165
Award day:
Oct 21, 2015 (11 yrs ago)
Value:
₱2,978,429.47
Project:
construction project

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 #2,554 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)
    METRO MANILA DEVELOPMENT AUTHORITY awarded it to A.J. LAVA BUILDERS on 2015-10-21.
    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   e1d58cea27…92b8bbnow      …
  2. 2. Block Merkle root changed
    stored   e78f5dbc3f…6fd54anow      …
  3. 3. Block #2554 hash changed
    stored   f2f0560ef1…5d8671now      …
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 164 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e1d58cea2742b8564eb1668dbb7941918c11d93ae0d4f8fea2b876d5bf92b8bb
  2. 01 R e302ca05b30feb691179142248969075586172fad1fa1223c777120e35a76084
  3. 02 L e48a23a38b20d3056f989751e6890059e8dd0877c19e35feb61aa37448bb05e7
  4. 03 L 774bc31354c0438590f4256d13b863bd34ae270e282cf2eaa05c8a368300f1aa
  5. 04 L 433a0a98453f75c2c354d6b7a5515b1ee053dc5adbe91f55ec681965372d112e
  6. 05 R 2efcf4561252bf955f316eb7c5b957d501a8f972c35768ba3ff384f252b3694c
  7. 06 R 04c4767d9465818b55eaf71bec1fd035e80fe473146ba0135c5c9a64d12cee7c
  8. 07 R ab188bd7fc3ecfe28b1cb9dd2c7ca2f1b2352550a3cfd5264f291080f59d5c61
  9. 08 L 7a86cb9c231c2f0fe33b3f1797f0fbdca8ba592807576412983ded5297df358d
  10. root  e78f5dbc3f04684a13c9cd29ac6bd637c0de7d28158a7e008f264d9c566fd54a