Skip to content
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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E Award a ₱9.3M contract to TUCHAR CONSTRUCTION CORP.National agencies

Transaction hash:
9c640bb4b2c9486ffd52e8507b902a1e6d970574dc22cc2078184aa6521cdc5f
Status:
Included and unchanged
Block:
#3,923 2,090 blocks after it
Position in block:
Transaction 112 of 182
Award day:
Oct 31, 2019 (7 yrs ago)
Value:
₱9,309,923.83
Project:
Contract ID No. 018OB0495-Construction of Malanda

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 #3,923 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)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E awarded it to TUCHAR CONSTRUCTION CORP. on 2019-10-31.
    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   9c640bb4b2…1cdc5fnow      …
  2. 2. Block Merkle root changed
    stored   9af1063ab1…005fcanow      …
  3. 3. Block #3923 hash changed
    stored   bf8759d054…9f71c9now      …
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 181 records. Each step hashes the current value together with the sibling shown.

  1. leaf  9c640bb4b2c9486ffd52e8507b902a1e6d970574dc22cc2078184aa6521cdc5f
  2. 01 R a22ea903c027ba88218e1e1c468ccf3ed944c64bbcd1cc6a8caa66e3854b6940
  3. 02 R ef6c1a4a46120a03724f6e1e1d818c8253cd3fdb11d3219f620e153474437385
  4. 03 R 572d5dcb726c6627d3dac60107d047fa302cdab35c5ba5b2fc3b202a3b068ab9
  5. 04 R 28a25ea8aee93802397170487f5c20d68c48494e623f3f06d1c6fdd2c6cf2537
  6. 05 L a240aa96596669875b28f19c50749e2fe3bc63e01b50d62e5466d3b0a4c97536
  7. 06 L b064e106cc669cf01e70003564834ab0e92765bb346c0683f4159f0e096be120
  8. 07 L c108f7236f07a88c0e14e1a3de4e2e0c9e47b1e29120bfb0a0eb05e3655fe430
  9. 08 R cec005efc9983520b6c699f3bfb9d857dac8a037eb91e915d477b39d06a2e94f
  10. root  9af1063ab17fa0369676f55408fa2ba7f2b616767377d5fc0c434c8d7a005fca