OpenTechnical

OT-2026-000080181

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000080181) never changes.

Identity and time

Publication numberOT-2026-000080181 · never reused
Internal UUID01a0ae96-7e76-7206-97f5-e1f006df0571 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080181
StatusPUBLIC

Content hashes

Canonical texte13901f00d7cfd7280abc6a0327115b82927f98242292539786a8040f54cfd45
Markdownd7742c52f9b63b473b644161e0c708659898531374e97dd085b65647e5b1081a
PDF
Publication page14704f57b1d335cf6de3f42d980c09ac4cdd8ac821c8395ce02661b8f9dd7a0c
Manifest8127bc16c74534e3b9e2117de38abf6e453cca5ac10fb63889c28c7041111430

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
SignatureMrWS4dMbBvcPQz/xXOnmJYTm02ro6CFR9JhML5Gub5VFpPdtZRQEnQ3O6vFef5F+Tl1RIruo64Rs2a4eobekCg==
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

2026-09-17T10:02:37.148050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080181
observed 14704f57b1d335cf6de3f42d980c09ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.129190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080181/manifest.json
observed 8127bc16c74534e3b9e2117de38abf6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.112221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080181/publication.md
observed d7742c52f9b63b473b644161e0c70865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.093172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080181/publication.txt
observed e13901f00d7cfd7280abc6a0327115b8...
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.