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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 - ISABELA 2ND DEO Award a ₱4.7M contract to A. DE GUIA CONSTRUCTIONNational agencies

Transaction hash:
1d79ecdc4e690219b18d7e76c9179e41d94c7b3bfbd6c6f3f02e620397c24f43
Status:
Included and unchanged
Block:
#3,461 2,552 blocks after it
Position in block:
Transaction 47 of 353
Award day:
Jun 28, 2018 (8 yrs 4 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 #3,461 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 - ISABELA 2ND DEO awarded it to A. DE GUIA CONSTRUCTION on 2018-06-28.
    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   1d79ecdc4e…c24f43now      …
  2. 2. Block Merkle root changed
    stored   b886177964…27310cnow      …
  3. 3. Block #3461 hash changed
    stored   9034c215f2…155f82now      …
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 352 records. Each step hashes the current value together with the sibling shown.

  1. leaf  1d79ecdc4e690219b18d7e76c9179e41d94c7b3bfbd6c6f3f02e620397c24f43
  2. 01 L 1d3a91fdd169a8793241c0de3afd4dbb7e0774297201024c192390425e609672
  3. 02 L a9e6c5bdc61ce3af6bf3cb84013f90207694e7c31738555daed9d0e3cb93fa03
  4. 03 L f2f4a86a0576df974ce6d62e02283cb2dbe742b94e187fdc417d37af5df8d54e
  5. 04 L 389cee0d7102c9216b9e4014b4f8478fbda94f92738c6d4004681eef8f33f9bd
  6. 05 R 31b38c6222786aca76e705772e8e828af20997886d28c835e278c70f136fbac3
  7. 06 L e8f941c377ee8c9ab9ae6e1f944603858de2a1e12590c106aa32ecf12ff2dff7
  8. 07 R 18c3306fabc19a4772c5ef087bbf9d5f3f203aedc12efb02c10fbacb06efdcf5
  9. 08 R b8f87cf39f0a1db744f96a85ffc1a1de2c97cface1a38ea4348df7457a040d02
  10. 09 R 407be374438db88c9a44c703fd6e5cdaa5038df657060b9827dc8a5803f5eb5b
  11. root  b886177964313ce58bbfb3b8eb5da386799d76ff4205e28c7ac105875727310c