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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

DPWH BATANGAS I DISTRICT ENGINEERING OFFICE Award a ₱965.3K contract to RICH ADS CONSTRUCTION CORP.National agencies

Transaction hash:
4864528ea8c44a3e1e1bae7e3af643e5a053544cf51b827fd3a3b7793ef3c5c3
Status:
Included and unchanged
Block:
#3,626 2,387 blocks after it
Position in block:
Transaction 122 of 447
Award day:
Dec 20, 2018 (7 yrs 10 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 #3,626 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)
    DPWH BATANGAS I DISTRICT ENGINEERING OFFICE awarded it to RICH ADS CONSTRUCTION CORP. on 2018-12-20.
    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   4864528ea8…f3c5c3now      …
  2. 2. Block Merkle root changed
    stored   9fb47e9bb2…c8d651now      …
  3. 3. Block #3626 hash changed
    stored   a11e1dc59a…3bb6d2now      …
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 446 records. Each step hashes the current value together with the sibling shown.

  1. leaf  4864528ea8c44a3e1e1bae7e3af643e5a053544cf51b827fd3a3b7793ef3c5c3
  2. 01 R 48aec7b01c21a120b3d37a29aa2715d37919d9e4502cd6b0a3f0ff1f03099469
  3. 02 L 764efdf56b1817663e3c0029b71313ac3c29033f128c11aac81f946dcb56b890
  4. 03 R b3889405c05b3f575a33ef1efc81f84cd8f3015cd7c951ce98baa5b5406380cb
  5. 04 L 53091252d5a01acf417c5e48ae3f4f393d33c91a0a081d0b1777d87fdb81dbff
  6. 05 L 848119246dca60c8ef54c5c095cb4b98696facd17f9efaf4916262aeb125ac7a
  7. 06 L d5732e0faa4708634881e4d144d072ef1691b3fbce772628476ecedeb7f554e5
  8. 07 L 61853d5c03a0e14291602389fb295743e606b2929095dcccecb8d8cda6cbfa6e
  9. 08 R a3fc44230e31bb800ba10bea31f60266ba640342e9027b8350c742b2957f8bf9
  10. 09 R ad7cdf195a3e6c917608d01477586e740f4706990956b8aabbd4f5594339cfcc
  11. root  9fb47e9bb24386e0ed3c12490434a52fdb7ad3f12fcdba09388ce2fc15c8d651