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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 - MARINDUQUE DEO Award a ₱12.2M contract to T.N.G CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
d635bc8c06e32d378d7cffdf8400aa1c6d6d009b7639f824eb8b7f5a11dd6cae
Status:
Included and unchanged
Block:
#4,514 1,499 blocks after it
Position in block:
Transaction 267 of 315
Award day:
Jul 21, 2021 (5 yrs 3 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 #4,514 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 "Outside Infra - GAA 2021 DA FMR", i.e. the FY2021 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 - MARINDUQUE DEO awarded it to T.N.G CONSTRUCTION CORPORATION on 2021-07-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21EA0146: 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 2022-01-08). 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   d635bc8c06…dd6caenow      …
  2. 2. Block Merkle root changed
    stored   e20263e9c4…677708now      …
  3. 3. Block #4514 hash changed
    stored   b971c7bf85…0bc90bnow      …
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 314 records. Each step hashes the current value together with the sibling shown.

  1. leaf  d635bc8c06e32d378d7cffdf8400aa1c6d6d009b7639f824eb8b7f5a11dd6cae
  2. 01 L d3ef6dd53b2123c384b70e370201fb669a34476b12bf426a6c1240f8a3d5d55d
  3. 02 L e1d2e68caee4e32e6690161d5a6e668eb295fe8a1cf4486271078a67b3466224
  4. 03 R fe88f7dd18ee9dab9b3c3b39b10481ea75f5de311e8f70543b65e810541d3f1e
  5. 04 L dc8336fdde80971040380b13ffa5ea8c047405dc1af10defea23628a58805ebb
  6. 05 R 82ca1d60bc0bd21c1c6247514616b8e01fff2047aa6068e12f96cd46b78c5e65
  7. 06 R f3e570d5e9126a63306ef7f68559cc1f08b2fa4b2c709b4388e46afe4f92808c
  8. 07 R 7321a866861bc8829082301f60636644328654f199941405fb07244197f93db7
  9. 08 R 7e2ac03be203328db4362a13e4dca37507ba235d0e4c352cfcb5c237f581d42e
  10. 09 L 76d5adef7b47e0c76af5c427b715d27e9cfe1e5b7d260b03019cba4d525742be
  11. root  e20263e9c48d1f64cdb07479ef09ff90209c57643af95835c22a159697677708