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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 - BUTUAN CITY DEO Award a ₱1.9M contract to QUADCON BUILDERS AND DESIGNNational agencies

Transaction hash:
9ea3fa0d427229488e3eb3a3147676859cadce5fb9515da4ea98ca1173dd916d
Status:
Included and unchanged
Block:
#3,339 2,674 blocks after it
Position in block:
Transaction 182 of 302
Award day:
Feb 20, 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 #3,339 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 - BUTUAN CITY DEO awarded it to QUADCON BUILDERS AND DESIGN on 2018-02-20.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18ND0025: 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 2018-05-01). 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   9ea3fa0d42…dd916dnow      …
  2. 2. Block Merkle root changed
    stored   216e8c3433…5d5f7bnow      …
  3. 3. Block #3339 hash changed
    stored   070c3e4712…f6b8e8now      …
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 301 records. Each step hashes the current value together with the sibling shown.

  1. leaf  9ea3fa0d427229488e3eb3a3147676859cadce5fb9515da4ea98ca1173dd916d
  2. 01 R 9f3843baa3abdbf4d8cd82046ea0b76071797432b8ff86cc51cea38fb8b59fb3
  3. 02 L 4513bcdd3832d937d2bc87df84ca436dbddc4e0c6d4d4d9359bff7f6b9dd69f6
  4. 03 L 24d0e3889d40f835bf8aaa201b52519c1a9eb991f011caaff5728b40c7eb1cdb
  5. 04 R a42d2f3d841bee5ce38bb3b585f0395c3506bd8e0de59101d445fd78ae32e744
  6. 05 L 6e2f3fad750a15dfe953952afe03cab76092fdd3fdf543b2b65cc0c16c2851de
  7. 06 L c954844e7cd3771c0c4e21d4e3c46b351b0659bfb76548ddf9a6cfea0602ca62
  8. 07 R 328e72f61d45e945e10d87dfc0a1c7996a22f454f3622af5ffb431da91f9d316
  9. 08 L b90cde5cf90e03763d808df2bb29dd3435e0df2d063a7cf282a045fc6f79aeb4
  10. 09 R b19fc29c1d7f56a510373adb2896035a80141bf3e91961acf0d5721ad98867d0
  11. root  216e8c34331259e58952b65a1c7fe16b45a7ebd1012f9d2adaf9b88d835d5f7b