OpenTechnical

OT-2026-000081175

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000081175) never changes.

Identity and time

Publication numberOT-2026-000081175 · never reused
Internal UUID01a0ae96-f373-74bc-89e9-6cc50a9e1c1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081175
StatusPUBLIC

Content hashes

Canonical text05a06ec9027f3b22ff81495fa80cff60db23a276a70564cf143a16dabcdced9d
Markdown5806f471e08b5ddd780f0bd8398af015955a03962f135c6228f75e32d262c03e
PDF
Publication page763e1d312a06eba9fa224814c6c208264d9605ff928ea4812e799091c0123318
Manifestb3e302f5a83325bc463926e1671ee27085a6b070b6655813ebc79c1e4f476a83

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
Signature6kBS9mhJ1dZweOaH6L33jR6Tx85+quch+duWxCsjHbzoDQYTRV++iULfpxMjU2LpSVniCUTx+3JBI96tIpSGAQ==
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

2026-09-17T10:01:14.411670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081175
observed 763e1d312a06eba9fa224814c6c20826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:14.383500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081175/manifest.json
observed b3e302f5a83325bc463926e1671ee270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:14.358121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081175/publication.md
observed 5806f471e08b5ddd780f0bd8398af015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:14.200538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081175/publication.txt
observed 05a06ec9027f3b22ff81495fa80cff60...
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.