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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 TUCHAR CONSTRUCTION CORP.National agencies

Transaction hash:
642edde2de810fdcaa90ec8d45f49f205b3382920b87b3ddcfbb3aad6c60704d
Status:
Included and unchanged
Block:
#3,809 2,204 blocks after it
Position in block:
Transaction 116 of 303
Award day:
Jul 4, 2019 (7 yrs 4 mo ago)
Value:
₱4,937,636.10
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 #3,809 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 TUCHAR CONSTRUCTION CORP. on 2019-07-04.
    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   642edde2de…60704dnow      …
  2. 2. Block Merkle root changed
    stored   d93aa33fba…9d743anow      …
  3. 3. Block #3809 hash changed
    stored   1375427360…2dcdb4now      …
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 302 records. Each step hashes the current value together with the sibling shown.

  1. leaf  642edde2de810fdcaa90ec8d45f49f205b3382920b87b3ddcfbb3aad6c60704d
  2. 01 R 6474590a898afe00c810413b16aaed5d9d7779b62e9e631bfbd3f67dd4d41667
  3. 02 R 6176caa28e30d4046af0b99495b24c0620c07fc06b5a13b0292a70e1dccc43a7
  4. 03 L 065e56171c7f96e00e29c9dbda86e9f65add54fd52ba10950c95dc83390cd7ef
  5. 04 R 14a6468dc3973c286e973bab5e618e9f7c0221cb82eea7dbc02cfff9121d404b
  6. 05 L 5458cf42dd2805c5bd585d087e7716e647dd78921c42ee811b13ab9b7a71607c
  7. 06 L 3e0445ea35e046ac9e138d683464590d7f5838176fd76e2cd577751a0fc427a1
  8. 07 L 93d4b581a2ff2aac4b834d70e00857cdcd90bac0a48e31e1fed5f46ce93efc7e
  9. 08 R 4ce55173ca73a086af87d1ffe350ea46018fcaa31fd0c5ab1d42d54212af0063
  10. 09 R cf820d17a4c40979d359cc6b1e644dc0edc145d143c847a150a4752b6fb647b5
  11. root  d93aa33fbae9491305e5b8d1befefa27ac734352de53955d0ee9bf1dc19d743a