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 -REGION XII-COTABATO Award a ₱42.1M contract to GEMMA CONSTRUCTION SUPPLY INC.National agencies

Transaction hash:
e9d04afa354cb73c085302eac57f2b2c9f72c343398fe57b59a948c95d180ec3
Status:
Included and unchanged
Block:
#2,390 3,623 blocks after it
Position in block:
Transaction 197 of 214
Award day:
Apr 27, 2015 (11 yrs 6 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 #2,390 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 -REGION XII-COTABATO awarded it to GEMMA CONSTRUCTION SUPPLY INC. on 2015-04-27.
    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   e9d04afa35…180ec3now      …
  2. 2. Block Merkle root changed
    stored   6856c407dc…4d0464now      …
  3. 3. Block #2390 hash changed
    stored   489f86ae0e…33ae46now      …
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 213 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e9d04afa354cb73c085302eac57f2b2c9f72c343398fe57b59a948c95d180ec3
  2. 01 L e8c21306f79b6e197035d333f94587b56ef94f6d7d6450f5645e47aab1b76d44
  3. 02 R 946bec150b0626314b119b671558a8bf8809e2fa949f2efb3832aef47b2b4977
  4. 03 L 7e62a413dedde702157f276f4d5fd0e214367f997ebbf4d31739d9dcedf84225
  5. 04 R 2d87c0fa1770563f7389b206ebcb89601b99f15666472e78d6c65d3d3929c9a9
  6. 05 R 7afcd08081129530e8ced161371e283a988e404658010b024e9ebdf5060f807d
  7. 06 R c567b51b885dde7f83228b43ad1d7838aa486cb462da6e0ce4a63c0f08c2c839
  8. 07 L ec6d0ae51791e8faf4a5cef154d6c6d5cf6f780aaa1908e9d4024929977fcb11
  9. 08 L 8544b522132a778d873daef9b795fde039642eb1f347b8aebd534c9ababe576f
  10. root  6856c407dc781e851a54010387537ffe345c87dba5a77fa2f9587ec1b54d0464