OpenTechnical

OT-2026-000083313

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000083313) never changes.

Identity and time

Publication numberOT-2026-000083313 · never reused
Internal UUID01a0ae97-c964-7b81-b595-4cfdb41265a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083313
StatusPUBLIC

Content hashes

Canonical text623ebf916c4e2ca2684b714825502eb2e037730aba72598fdbe3cf0fd1c67879
Markdown089df5fadb7fe029e47ce9f804d365ec323041a8802b4375b6971a12cdc182e8
PDF
Publication page9e2df9444173fb54e36e6703132ef7c6a22d4898498405571b2d34628d1f4e88
Manifestb67d711109fec319a62bca61a7c8ef5c4dd2da2593912adcd9512a4288e7f9ce

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
SignaturehGktY5OT3gAmoMNzM1PzBdMD+iDCgiV28oct3VqyN+bi/GTcxpxoxCvkHLZBjqDt74cLtqDEQnz10nfWyLDzDw==
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

2026-09-17T10:00:34.542330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083313
observed 9e2df9444173fb54e36e6703132ef7c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:34.523330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083313/manifest.json
observed b67d711109fec319a62bca61a7c8ef5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:34.504131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083313/publication.md
observed 089df5fadb7fe029e47ce9f804d365ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:34.487611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083313/publication.txt
observed 623ebf916c4e2ca2684b714825502eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.443579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083313
observed 9e2df9444173fb54e36e6703132ef7c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.427664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083313/manifest.json
observed b67d711109fec319a62bca61a7c8ef5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.411528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083313/publication.md
observed 089df5fadb7fe029e47ce9f804d365ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.395983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083313/publication.txt
observed 623ebf916c4e2ca2684b714825502eb2...
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.