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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 ₱13.4M contract to DAHL CONSTRUCTION CORP.National agencies

Transaction hash:
892420b9dfd2e2acc8c615c28dcaf6c61f01a4bd31712e0466f005370ca81be1
Status:
Included and unchanged
Block:
#4,798 1,215 blocks after it
Position in block:
Transaction 420 of 742
Award day:
May 11, 2022 (4 yrs 6 mo ago)
Value:
₱13,363,280.75
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 #4,798 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 2022-05-11.
    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   892420b9df…a81be1now      …
  2. 2. Block Merkle root changed
    stored   9cce638790…0fd03cnow      …
  3. 3. Block #4798 hash changed
    stored   5006c83b53…4462a6now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 741 records. Each step hashes the current value together with the sibling shown.

  1. leaf  892420b9dfd2e2acc8c615c28dcaf6c61f01a4bd31712e0466f005370ca81be1
  2. 01 R 896f0944158ba8eebc34ff54a5d944af9d79f0500bf4dde26cf53701406d6afa
  3. 02 R 4199f42fc2930d87d1f7b0f6ed5b2961563cdbd41cae6105918ed0b4ff65fd5c
  4. 03 L 50b2c4ffc0c998c556743237c7b19fae951b9263b095fcb75c06bf66f4f02d8c
  5. 04 R 90258941b70d72bdff5d49d76d72673a8f005af38bed5e8cd783e081dce1649d
  6. 05 R 5dd74e24822485be76a23d5c633e24683ff67fedbb53ee20c771d193c3b482a5
  7. 06 L 9facd966151cf376a242d9a91c391b6f81567b46eb0d63528a803c2df102318c
  8. 07 R 94f0304c7a11e29569dd2a9945eea8402632b0c72f8dcbc5295229969a47c103
  9. 08 L 8d92df50cf50607b20d71aac6e33410fbab0af41076ae9389e899cc5f04fd524
  10. 09 L 57028592a2719f6c982d81ef27058728d85318b4c8042aeb450f72a4d9846286
  11. 10 R 0d15552e8b7732babec2bb13daea6965d834d1ac5c24ff3b488066df10368f1b
  12. root  9cce63879079a6da06fb190c52b2bb84c29396de8abc4c654b67437ec70fd03c