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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 - DAVAO ORIENTAL 2ND Award a ₱27.6M contract to MAER SUMMIT KONSTRUKT CO.National agencies

Transaction hash:
8e08e46e285bcb2ca26e21fd54bdc25d46f5343b414d0058b86e559d24ebeba9
Status:
Included and unchanged
Block:
#4,282 1,731 blocks after it
Position in block:
Transaction 178 of 346
Award day:
Nov 16, 2020 (5 yrs 11 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 #4,282 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 - DAVAO ORIENTAL 2ND awarded it to MAER SUMMIT KONSTRUKT CO. on 2020-11-16.
    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   8e08e46e28…ebeba9now      …
  2. 2. Block Merkle root changed
    stored   c79ebfa68a…455029now      …
  3. 3. Block #4282 hash changed
    stored   45156d182c…288081now      …
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 345 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8e08e46e285bcb2ca26e21fd54bdc25d46f5343b414d0058b86e559d24ebeba9
  2. 01 R 8f95e33a114d17c0d2199315a44620fa55c48356523b3aa614ca7fe629ed51d2
  3. 02 L 7ada21d855cef854f240ac137744df7ef0f1784e233ed029126c87c1349c6084
  4. 03 R 81a403227435c1f4b17d6dc16f3f3451d7f84451c56b5b298da1fa4df74f66fb
  5. 04 R b9218141c89245a8480a91d6d063f3571e4e799d271a77fba5db033a26ccb84b
  6. 05 L a6865f07dbbc1cd37fd3d931ca6b394ed8297cd7fe7b2d5bef9721abc9006e8e
  7. 06 L 0b65fa339515ef1b634ada1591ce46b704527bd0e4c73f647b9d0d53ba03e16b
  8. 07 R 04db5760585b73cb23f8e175f020d8db8b635fbc7c2dcd98a74baac1266694dc
  9. 08 L ac57d9099fa434c0436312db837c2cb628f14228fcb0cecedceacbed1efb71fd
  10. 09 R 2eab03ac0ad29a0135b9fa6add0cb302681a35e778285982483647022218a01a
  11. root  c79ebfa68a722f5ff00ba9140589ff8ad19c2451a78375bd34e19d6f0c455029