OpenTechnical

OT-2026-000083881

Publication integrity record

Three bellows cup 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-2026-000083881) never changes.

Identity and time

Publication numberOT-2026-000083881 · never reused
Internal UUID01a0ae98-0418-76c3-9e1d-37d1446ff207 · 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-2026-000083881
StatusPUBLIC

Content hashes

Canonical text40463f540f7aa5fc9c82127a9d1cbe5bb71c414c0d79468cc62bdc3d8e1a56d6
Markdown3e55d53e1472bc57fc5663448fefa6d9125304b6e995d4c48083ede49f6370b9
PDF
Publication paged7dbc765df9fc0d0b0882881e08a957d2a182189aa35cff3cd914f95f4c1da22
Manifest526954310d8607feaab9e676b317831e00ded7bf0e25e2043c092ef75035c6b6

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
Signatureh9ueWfp23B97an3vjNCByhRtdwrsz2M2lAes6h2wAvx3zXqcbJFfzbEAlMbOUUbuOY8/GhIV9JDsXUcbSmbACA==
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

2026-09-17T10:00:15.118578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083881
observed d7dbc765df9fc0d0b0882881e08a957d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:14.713674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083881/manifest.json
observed 526954310d8607feaab9e676b317831e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:14.693168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083881/publication.md
observed 3e55d53e1472bc57fc5663448fefa6d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:14.674440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083881/publication.txt
observed 40463f540f7aa5fc9c82127a9d1cbe5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:32.757782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083881
observed d7dbc765df9fc0d0b0882881e08a957d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:32.741505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083881/manifest.json
observed 526954310d8607feaab9e676b317831e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:32.725192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083881/publication.md
observed 3e55d53e1472bc57fc5663448fefa6d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:32.708394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083881/publication.txt
observed 40463f540f7aa5fc9c82127a9d1cbe5b...
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.