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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 - EASTERN SAMAR DEO Award a ₱2.8M contract to TUBIGAN BUILDERSNational agencies

Transaction hash:
2d361b915519f009f20f498da712cb8b2f3043dd6587a526e492ff4be889a0b9
Status:
Included and unchanged
Block:
#2,628 3,385 blocks after it
Position in block:
Transaction 55 of 274
Award day:
Jan 6, 2016 (10 yrs 10 mo ago)
Value:
₱2,840,183.73
Project:
16IB0013 - Construction of Multi-Purpose Buildings

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 #2,628 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 - EASTERN SAMAR DEO awarded it to TUBIGAN BUILDERS on 2016-01-06.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16IB0013: 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 2016-05-27). 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   2d361b9155…89a0b9now      …
  2. 2. Block Merkle root changed
    stored   15de58ecdf…dc5f6cnow      …
  3. 3. Block #2628 hash changed
    stored   f834b95e59…71c3e7now      …
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 273 records. Each step hashes the current value together with the sibling shown.

  1. leaf  2d361b915519f009f20f498da712cb8b2f3043dd6587a526e492ff4be889a0b9
  2. 01 L 2cd64cf0e39b887934de6ad27180d783d487fad6f8f02fe4e955d82eb5097994
  3. 02 L 45a1f541342bc774c09b3d3312d545d4ee608c1f20bdc34787ec3ef3bc54dd00
  4. 03 L 95f519b2a63deac9eb2ddb1fe7ba4dee526cc87e587ad842abcdb8aad20fc25e
  5. 04 R d707ff3d561dc74d59579d49790bb95e453ec98f62fc274d1beaf7b0b12422a6
  6. 05 L fa12500ec663651426257af65b3d0b6d299941e74e5a93a8b477fa07500689b9
  7. 06 L a63ec9ffb1b39ff6382f29f23d9158ce1cfb55ffb3eb08df3513f9a18711531b
  8. 07 R ac2f30206af4816a72dce0df9fe654a5316055e02c30300139d49a1eb1e58db7
  9. 08 R 71fc04b6d36d7e1b15153c437cece07cc1b2f06a64aabd0c979dfe33320d7703
  10. 09 R 7d3234c8fb310a77d02e20645a3ba4de0b00cb95e2da66f7fadc6c656d2fd6eb
  11. root  15de58ecdfa83d1b550ef4ab20fa2e29ba42940705fea6afafce0f8969dc5f6c