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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 ₱4.9M contract to DAHL CONSTRUCTION CORP.National agencies

Transaction hash:
20e8a2d3cedcb1728e4560628b38261daf48197f5f949fe8f71098cb192cf699
Status:
Included and unchanged
Block:
#5,087 926 blocks after it
Position in block:
Transaction 44 of 353
Award day:
Mar 8, 2023 (3 yrs 8 mo ago)
Value:
₱4,933,771.69
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 #5,087 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 DAHL CONSTRUCTION CORP. on 2023-03-08.
    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   20e8a2d3ce…2cf699now      …
  2. 2. Block Merkle root changed
    stored   f64728d96d…a44627now      …
  3. 3. Block #5087 hash changed
    stored   3405dbcf06…66d62dnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 352 records. Each step hashes the current value together with the sibling shown.

  1. leaf  20e8a2d3cedcb1728e4560628b38261daf48197f5f949fe8f71098cb192cf699
  2. 01 R 212d9d590a8b9f5f09b45eadd4a895eb2a33c03e508e7d3ae5af781b0d01e663
  3. 02 R 3e21b3080dad8a6e14b8b01d680fdc07d359aeab2669ec29aa5d1e9b65d819a9
  4. 03 L 33b82dfc1f210bf335e4cdb6efc9d79a246f4c1d5df68af7cffed9330d82cb12
  5. 04 L 9b5d148648e01773b0a2431c28b367aa95f8bcbf87b164fbfb5d7691f871fbbc
  6. 05 R 137ca22d6984d2d971da2803bcd53b3ea8d5c71b341d172c16e6aee3de8dbffb
  7. 06 L 978e2d56d57b26935fc7dfa06867628b5d1f78ab4fb570abcc7d39bbc2aa6032
  8. 07 R 22541e418bf2ce73586434449889f97891913dcdcdcb4c7c3bf14e520a6d6c18
  9. 08 R f630601fba8901d824c4880cc9057cad9e651a8c2ef1b94349d0553720d2f2ab
  10. 09 R 6888e1fcbdfe75121a15c563f6fc384bf3e8c7caf463d1ec7f4dd0a804becac7
  11. root  f64728d96d24196e6980aac3896e85b36299c204276777b87c96d2e1e9a44627