OpenTechnical

OT-2026-000070742

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, vented before 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-2026-000070742) never changes.

Identity and time

Publication numberOT-2026-000070742 · never reused
Internal UUID01a0ae91-8c2c-72c8-b918-23d55ea9abf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070742
StatusPUBLIC

Content hashes

Canonical textaaf0ff59f388212468459d9cc6270b123a3d740a86bd159c5d64673a0334a54a
Markdowna5f2e0d855a87a889e295d9649cd4da7ff730e51eabb55375bb83ad67cd9d514
PDF
Publication pagedd41fa8e9c4818844cb1bd77e4338c3a351fba4463e87d2f40f7c6ec3b96dbf4
Manifestd065a73e0716c9bbaa6e846e630061d34c53955db122c2a94be1e0b44fe488d5

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
SignatureSug7PgQ5JrohlR91H2dHqRW/8cH9V73ce/WnGhKAapYEaK7+ALjlmaCh9ZymBfj2Elm+/djpwlu9f84Ng+ghAg==
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

2026-09-17T10:25:26.214334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070742
observed dd41fa8e9c4818844cb1bd77e4338c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.199221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070742/manifest.json
observed d065a73e0716c9bbaa6e846e630061d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.180115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070742/publication.md
observed a5f2e0d855a87a889e295d9649cd4da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.162603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070742/publication.txt
observed aaf0ff59f388212468459d9cc6270b12...
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.