OpenTechnical

OT-2026-000068294

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000068294) never changes.

Identity and time

Publication numberOT-2026-000068294 · never reused
Internal UUID01a0ae90-2480-7465-b51b-522627ab5417 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068294
StatusPUBLIC

Content hashes

Canonical textfb3ce84afd91d1953d0eb8851103b751962d2528e53818b123766710989154a3
Markdown7088ce5fc378c9cc140dafad6f98d4cff3aa3e17eb1d7574ba764c1a60cd322e
PDF
Publication pagea1e5cb2c363d6d7897c580e8a4009d1b863ef6440f110c85d9b78968b9ed4be6
Manifestbf9d01f33a0561ed689ceedba9fc5e4221f85de638fa562be9933c96a6650ed5

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
SignaturerksxqO9is9rW/be8bVZvcFi5sKRw7wbzlpNJznT6m1W5u5OmRpcu3Y2tkdMqEN1Ig2naC/JCbVL4UhFMU48MBA==
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

2026-09-17T10:29:19.702866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068294
observed a1e5cb2c363d6d7897c580e8a4009d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.685088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068294/manifest.json
observed bf9d01f33a0561ed689ceedba9fc5e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.668537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068294/publication.md
observed 7088ce5fc378c9cc140dafad6f98d4cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.648849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068294/publication.txt
observed fb3ce84afd91d1953d0eb8851103b751...
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.