OpenTechnical

OT-2026-000083901

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000083901) never changes.

Identity and time

Publication numberOT-2026-000083901 · never reused
Internal UUID01a0ae98-0418-7230-835c-2f312ab32536 · 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-2026-000083901
StatusPUBLIC

Content hashes

Canonical text552caa7ff1d003a6caf901e706af89ab9f0a6ca6ccfcf2b29b36cfddd0691c4e
Markdown40d8e6ba6fc73a0290653ca91591818a87ab53d9e54738f5c22875dbf95ca5b4
PDF
Publication pagebf46212dae58a16f96aee563aa6f9e72be8cf5d83714963d86c98ad0d27c4169
Manifest9438780b2dec544f3b395971b2a651c49f6cb7086790fbf89caf9b842de6a56a

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
Signature+6nmgt7mbj16qict0w9oyH7GdUuGAapSm3PwWBZOCsHOrRa0kribEmjMVA64QqJCCNthf515RTRpGt/5h1F1DA==
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

2026-09-17T10:00:22.815797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083901
observed bf46212dae58a16f96aee563aa6f9e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:22.791462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083901/manifest.json
observed 9438780b2dec544f3b395971b2a651c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:22.762587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083901/publication.md
observed 40d8e6ba6fc73a0290653ca91591818a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:22.740567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083901/publication.txt
observed 552caa7ff1d003a6caf901e706af89ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.193935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083901
observed bf46212dae58a16f96aee563aa6f9e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.176320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083901/manifest.json
observed 9438780b2dec544f3b395971b2a651c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.158539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083901/publication.md
observed 40d8e6ba6fc73a0290653ca91591818a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.141781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083901/publication.txt
observed 552caa7ff1d003a6caf901e706af89ab...
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.