OpenTechnical

OT-2026-000083695

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, sustained 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-2026-000083695) never changes.

Identity and time

Publication numberOT-2026-000083695 · never reused
Internal UUID01a0ae98-0416-7320-8048-c20dc6a2e032 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083695
StatusPUBLIC

Content hashes

Canonical textfa4511b98d10264a4f14e14ac0addd1929acac584ab9e53072bff96b5a80f120
Markdown2399d1eec92ae8286404885f9340722bfa461c069eb15119be00f6cf25152fd5
PDF
Publication pagec5dff05b5f461e0ab4edaf468a1f0f28b44c345b230c070aff4bcc396c82dcc2
Manifest04d54306a6b30dbfce1981dda13752afe566cbb41cea86372d531dbea097ee1e

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
SignaturebFplRInhPP1eXofR2UROi1J8UjPWOgpfZF9QwEHWsgIMdeCBzTqOfgBNfXX83sEkQ5L6jAo7Oyv3H/jhdqIWCw==
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

2026-09-17T09:57:19.379224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083695
observed c5dff05b5f461e0ab4edaf468a1f0f28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.363040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083695/manifest.json
observed 04d54306a6b30dbfce1981dda13752af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.347426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083695/publication.md
observed 2399d1eec92ae8286404885f9340722b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.330413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083695/publication.txt
observed fa4511b98d10264a4f14e14ac0addd19...
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.