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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 - BATANGAS IV DEO Award a ₱7.6M contract to TERAVERA CORPORATIONNational agencies

Transaction hash:
abab104f38ad27364624e8ecfc8cabe824f40615d7332c9897eeb7ddb87cfd68
Status:
Included and unchanged
Block:
#3,900 2,113 blocks after it
Position in block:
Transaction 117 of 170
Award day:
Oct 8, 2019 (7 yrs 1 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 #3,900 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 LP", 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 - BATANGAS IV DEO awarded it to TERAVERA CORPORATION on 2019-10-08.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19DD0159: 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 2020-04-17). 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   abab104f38…7cfd68now      …
  2. 2. Block Merkle root changed
    stored   f91fcd5304…819294now      …
  3. 3. Block #3900 hash changed
    stored   a4b96878eb…20df25now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 169 records. Each step hashes the current value together with the sibling shown.

  1. leaf  abab104f38ad27364624e8ecfc8cabe824f40615d7332c9897eeb7ddb87cfd68
  2. 01 L ab3866eb2a6ec273e843e49c5e833e5d16218ce7c064f7e893bc303b6e9c84b7
  3. 02 R e40d2c3f26b31cf0456e8df8cd9c9437aa85b8fba513e78f272135af8efa5cd5
  4. 03 L 2feb9fcb1852aa1bb688fe56c610836d1d079843a5fabdc1a402ad7ef0fd45bb
  5. 04 R c66c7689aa01060645b8e6e70aff56098c74f01bf62df2e60a66b82fbef00dda
  6. 05 L 7343fc22e90665b64eb4bcf653fe853e29892888d46272ae47c1ad25443115cb
  7. 06 L 99295a8feb4b8ff1801bc7e9150060c5c2db8c895e21561d3484e554049727d8
  8. 07 L bbb37a0de4683f7fce1f0ee7147696ab59b64e1ba9c37fe020db75ccfe4d7cf2
  9. 08 R 71a283d8415bd72393501a215382f8d9745a78a4a565a44b71225d71255bb08e
  10. root  f91fcd53047d04a34de35151f7b2d1184d8abc13caab27dff93903fda1819294