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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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SOUTH METRO MANILA Award a ₱4.7M contract to CAANA CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
e18ed0c6bcf426331d66d306bb055b5f6314d65ad662bdab55c5591f15900602
Status:
Included and unchanged
Block:
#3,342 2,671 blocks after it
Position in block:
Transaction 400 of 453
Award day:
Feb 23, 2018 (8 yrs 8 mo ago)

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 #3,342 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)
    DPWH lists the funding source as "Regular Infra - GAA 2018 LP", i.e. the FY2018 GAA. The exact UACS line is not given.
    Partly
  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 - SOUTH METRO MANILA awarded it to CAANA CONSTRUCTION CORPORATION on 2018-02-23.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18OH0056: Completed, 100% physical progress.
    Found
  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)
    DPWH marks the contract "Completed" (end 2019-05-22). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 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   e18ed0c6bc…900602now      …
  2. 2. Block Merkle root changed
    stored   718afafae9…ef195fnow      …
  3. 3. Block #3342 hash changed
    stored   043ae7ee1d…50a068now      …
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 452 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e18ed0c6bcf426331d66d306bb055b5f6314d65ad662bdab55c5591f15900602
  2. 01 R e1961e432e248659ea876c5ed7028bfb9371433e3091e7a0932ccc4909782da3
  3. 02 R fccaa9e12d95c2877c3ff0493ce33737cadbe3bd25e843e953f0efb8f55765f2
  4. 03 R 70830bb8e59ca8fe11b3eda99e8b61fc6434ce804d572d13fcaf5b0cd58c0dc3
  5. 04 R 1a0e04cd153464a60e045cb82fff6758fccf39d1d24194da58e1e2b89bb200c5
  6. 05 L 6f648cdf3c5d1eaafab69cff84e2fcd9c0cd600a0dfea8465535da0a2f0562c2
  7. 06 R 1caabd6ff7d2d1eb39c0e7663e4dfb7830dea9a922e6ed40224440c98f391398
  8. 07 R 995aff23363a566ca2e43c78340d8e502beafeda8440d1688ca8e6dc594f3a61
  9. 08 L ff2c850285ebbd841444ca188dc89442da31fd8e68ccc00b2342316268950d5c
  10. 09 L 112a0fa17bdb5b0ca3cc6da05fce1497419c7d27966158a02552324f6aa5faca
  11. root  718afafae925f66d41253200dc8aab1e616abe24de374269c48458e6baef195f