OpenTechnical

OT-2026-000085751

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000085751) never changes.

Identity and time

Publication numberOT-2026-000085751 · never reused
Internal UUID01a0ae99-aaae-7d59-8bbe-b02ee849db92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085751
StatusPUBLIC

Content hashes

Canonical text1913c5fc98c0e7b1cd090069a73b6b8cdfda71981c81e5196a363e5c00cf0df8
Markdown6b46317a8b3124184489c7ca1b50e30e47f5119911f15d4a239fc31c384ab625
PDF
Publication paged6bc05d25909b1e17fba5bcd4501c70d68530131587f2ae0044153fdac6571c1
Manifested8e9262d4be1a218ecb8aec64174aba846c4a2f6c637c9ab1119422341f3ee3

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
SignatureIIoZdgtKRmRfpoR1AnDYlVi6MpfNQfgjLYvkhKZ2b7HVsNjOfMTIUg2PAu+G19pNpyx7iJ+YFAMqVAeX7wccAQ==
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

2026-09-17T09:54:40.155057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085751
observed d6bc05d25909b1e17fba5bcd4501c70d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:40.138401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085751/manifest.json
observed ed8e9262d4be1a218ecb8aec64174aba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:40.120167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085751/publication.md
observed 6b46317a8b3124184489c7ca1b50e30e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:40.102566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085751/publication.txt
observed 1913c5fc98c0e7b1cd090069a73b6b8c...
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.