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 - SAMAR 2ND DEO Award a ₱18.8M contract to RIANNE CONSTRUCTIONNational agencies

Transaction hash:
aeae7bf0414b5dd5b686d43bc4053ff06cdce7560e1cf4a3938ba282edb8445c
Status:
Included and unchanged
Block:
#3,762 2,251 blocks after it
Position in block:
Transaction 712 of 1,032
Award day:
May 14, 2019 (7 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 #3,762 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 2019 OO-2", i.e. the FY2019 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 - SAMAR 2ND DEO awarded it to RIANNE CONSTRUCTION on 2019-05-14.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19IK0026: 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 2019-12-24). 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   aeae7bf041…b8445cnow      …
  2. 2. Block Merkle root changed
    stored   38292d371f…11f14dnow      …
  3. 3. Block #3762 hash changed
    stored   252ff3b608…21a481now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (11 steps)

How this one record is tied to the block's Merkle root, without needing the other 1,031 records. Each step hashes the current value together with the sibling shown.

  1. leaf  aeae7bf0414b5dd5b686d43bc4053ff06cdce7560e1cf4a3938ba282edb8445c
  2. 01 R aeb22d680037d52bd87d66002293e6acf4e927ce3bec3ba473ee9912086d5e63
  3. 02 R 4fd01c24a1d198790e62d28f138821f15dc6f7a78f3de783ed8fbcffa559551f
  4. 03 R 5ea0a34cd100d7166e9d7b517018dfd4cd0262f791f0e177ae5b9270569cd2f6
  5. 04 L 2ed3acc3dacf1f166d76666ae89e1c5fad1a99f7b357e3f2d0f46a9e70ce5624
  6. 05 R 36fc714d69cd2fd4ad066a4efe1607084dd266e2545bf1eddfbfe94c1b7cfc96
  7. 06 R bbb74bd6aab02682f0e29a2aca943be4258df28b112387c6555c0ec272446da8
  8. 07 L 5c3204df88c4fa2babb5a1b9f17757705e5634ead39206c5fb87ab6872de8860
  9. 08 L 12548859ef6dc1e1e226cdf6297437698a7bdd6cc0b29e83f992ae7d50b5c27f
  10. 09 R d80b427d54f367d2b41d0b5eae77d8bbf9b0c775f6179c6e2212cf37c465c3e3
  11. 10 L 225a713cf25313ad04cd5bbe441f2a01c38ca56132f1cd91bb3634ebc5cbb642
  12. 11 R 6a48212d767f119918d835eab6807d61ee2a02c0330964087fec48ca1513fb16
  13. root  38292d371f9de3dd529b8f59594859b066f469fb9b1e07afcce0f22a1811f14d