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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 - DINAGAT ISLAND Award a ₱4.5M contract to DDS BUILDERSNational agencies

Transaction hash:
d13af6935e6a35f8f2edef9d1346efe9db17efb07edc695ee3e37693938464ee
Status:
Included and unchanged
Block:
#2,734 3,279 blocks after it
Position in block:
Transaction 343 of 410
Award day:
May 11, 2016 (10 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 #2,734 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 2016 Locally Funded Projects", i.e. the FY2016 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 - DINAGAT ISLAND awarded it to DDS BUILDERS on 2016-05-11.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16NE0009: 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 2018-11-09). 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   d13af6935e…8464eenow      …
  2. 2. Block Merkle root changed
    stored   c942200413…6934d9now      …
  3. 3. Block #2734 hash changed
    stored   966b71b16a…5d51e9now      …
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 409 records. Each step hashes the current value together with the sibling shown.

  1. leaf  d13af6935e6a35f8f2edef9d1346efe9db17efb07edc695ee3e37693938464ee
  2. 01 L d107a6c2470c553377a9297d0b80b13bcfdd803262977ccc39897bd3f13da15f
  3. 02 L 5e8c73c6ecf330d62c22924806f6e8e900f54d0f603840c11d5f97549ea9b2e2
  4. 03 L 1b08fb74995b3f61305dc4082f53ab2d861edfcb83dad1fb7bbc70aed9b8e64a
  5. 04 R 1917866890f5071a306c1a29a861f1f5d39858783e25e18ce49ab8f24bf664d5
  6. 05 L 9366be91c579c2765f67c15efea5ffe25629ec27ebb9fb4fa43a63f1093e5502
  7. 06 R 544cf9ad16538825976dcc80885af4bd010a8a2cdf37fefe484345a57467da95
  8. 07 L 4f0f3e444d6a568b91b8e8719444e6c584fe5e6a58bafab9ce9fec23950a7939
  9. 08 R 19a6e5f9a383a5e765ed147ffe98065ecb41c33802a7df9a792b7e7934209057
  10. 09 L 6b70cca8c5e119a3ea60e9d9068ac0ed10378a5831dde202f30086e795a78c0d
  11. root  c942200413e8265221b4ab85898323580fbe389d9aaf2cdf93ecf6566f6934d9