OpenTechnical

OT-2026-000068187

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000068187) never changes.

Identity and time

Publication numberOT-2026-000068187 · never reused
Internal UUID01a0ae8f-c4ff-7507-8980-e830b6b74e0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068187
StatusPUBLIC

Content hashes

Canonical text3d0f569365baa06fb0b2e8c8cd147353ca8ef2429df572cf484dc20d2886ccb7
Markdown7b4245535f7c6b81141561873a701acc803e0b61b2971a25766d83f994c05d41
PDF
Publication page8af5c0ffc93b2de0f1c360aa03b29182547b75c40b8e5a99f7ad41e5453b4765
Manifestde3f892220464c9fa7728435ebcb7b0b7a511a5bf2e4b342f39eb30249cf728e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureZjXc/1cgnjeUOOOZUuNtrOKAJrLQEaBLKtoPkcEXYVXsmjCLMGa8NTmpU8ZRI0fkhdMpwR20KGQ0mM5JzxovAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:50.789171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068187
observed 8af5c0ffc93b2de0f1c360aa03b29182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.768537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068187/manifest.json
observed de3f892220464c9fa7728435ebcb7b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.749962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068187/publication.md
observed 7b4245535f7c6b81141561873a701acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.731656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068187/publication.txt
observed 3d0f569365baa06fb0b2e8c8cd147353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.