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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

CITY OF MANILA Award a ₱2.2M contract to JOAN AND JOHN CONSTRUCTION AND TRADINGCities

Transaction hash:
b8deddf450087899aa33e9649efd1a0f142af63b051cba820220131fa469ce2c
Status:
Included and unchanged
Block:
#4,725 1,288 blocks after it
Position in block:
Transaction 426 of 589
Award day:
Feb 21, 2022 (4 yrs 8 mo ago)
Value:
₱2,204,701.94
Project:
Cayetano Arellano High School

Accountability

Bill Sec. 3 and 19
Responsible agency:
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 #4,725 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)
    CITY OF MANILA awarded it to JOAN AND JOHN CONSTRUCTION AND TRADING on 2022-02-21.
    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)
    COA's CY2024 audit of City of Manila gave a "qualified" opinion on its financial statements (not specific to this contract).
    Partly

1 of 8 documents found, 1 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   b8deddf450…69ce2cnow      …
  2. 2. Block Merkle root changed
    stored   526ce4d8cc…f674b2now      …
  3. 3. Block #4725 hash changed
    stored   cc179917a5…0ff749now      …
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 588 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b8deddf450087899aa33e9649efd1a0f142af63b051cba820220131fa469ce2c
  2. 01 R b956644b5716d8f74be7232570073e962419500fcbd6430356e9671e225769fa
  3. 02 L cb4d9ed1caafca2b898d99f347ceef6f5eb51ad8077e3521c1ff720e47710814
  4. 03 R 7835fb2157e4bcb826b02934dc50909d52222fc36387d43f8aaf901132877470
  5. 04 L 727e76bdca13d015b82c66f7478b90019338e7b5c4d82b7100ce29fe7ea27873
  6. 05 R 6bd3760ce87dc4a2922e3d38b9deffc4c3390db5e34c36fdab2cfac9c7737ff1
  7. 06 L bcccf6051d19bf2582c032f94a880a85746e621ebe3fc7a2bfd0ae3530b6d5a7
  8. 07 R fa3997a8e9fd69ba3b58acec2df4e17a6bd75663a4830f09b03e92d6de3d2f02
  9. 08 L a4892083a7e48fe226b1ed590b280d2a1e51ce10edd818a7c8bd9b36c0a37a06
  10. 09 L 5be01c5c7ec386876e0714ebeef7aab91f4aa495dc254d03e30e80d10be6d630
  11. 10 R 3ba671e8160846f417a639d21a779cea6a8948d836ff7db179f166256055a62f
  12. root  526ce4d8ccf4ecf4538fa4f84bc1f1b194f353d751433c91c0960b46e1f674b2