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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 ₱21.6M contract to ALGIMAR CONSTRUCTIONNational agencies

Transaction hash:
0ab9de46292f930bc166c0d04503ee26edf1481031ef9ba285d42509516400ea
Status:
Included and unchanged
Block:
#4,606 1,407 blocks after it
Position in block:
Transaction 8 of 208
Award day:
Oct 22, 2021 (5 yrs ago)
Value:
₱21,597,449.96
Project:
Construction Projects

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 #4,606 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 ALGIMAR CONSTRUCTION on 2021-10-22.
    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   0ab9de4629…6400eanow      …
  2. 2. Block Merkle root changed
    stored   cfdf87a309…b19ff7now      …
  3. 3. Block #4606 hash changed
    stored   70b9470125…a1d7ddnow      …
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 207 records. Each step hashes the current value together with the sibling shown.

  1. leaf  0ab9de46292f930bc166c0d04503ee26edf1481031ef9ba285d42509516400ea
  2. 01 R 0be3cfd5cb1d886cf9c7e06d08f7ee41e7a3cfae365ef11da69fa41bf8764d8e
  3. 02 R f7d2e45d4fc30019f68e81dc04f94f8a75c43bf4060766dc39ed73f46fbe3eb3
  4. 03 R b27c8b305f4291a53959f1affdfb9b73270e0dc8a2ae737cb0fe7841f9dd0972
  5. 04 L 8bad775e92348168503cafcd95878fbf1f9c85b215af4f1e99d6e6d1d879b073
  6. 05 R 685c7ecf51bdc66044c9fae8fb10d96cf5479e792f2fc71cd9f8c303349acf1c
  7. 06 R 816c3ed498fd100c39f1cb83aef7776aee262049620f723ae97ce7dd1ba60bcb
  8. 07 R fcf15c81bafba439189fde717f9346b6e7221f361782d2037204d5d9d9f25594
  9. 08 R 0df155750c88eaea60ae9ccdbb528cbed0e00aafa810918548bfc303a93bfda9
  10. root  cfdf87a309be73d71d41211f2d462d6cb287e899fb730c832082a7ca25b19ff7