OpenTechnical

OT-2026-000077119

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000077119) never changes.

Identity and time

Publication numberOT-2026-000077119 · never reused
Internal UUID01a0ae94-f507-791c-8931-4beb17c7a6d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077119
StatusPUBLIC

Content hashes

Canonical text09ce952839f811e07cd68c6d9989b3ca62e8120d6ab0c35c83795408cc40c48b
Markdown2a7de263b457aff22137754386cf87bd41d1dca045b4f063bceafb21a966919b
PDF
Publication page39f259716b0b46e3b948e4ee4311d41e2b0168030fd556a515dab536b44c3cc2
Manifestbcfc3eb9890b81e5239b9fa605597a859476b2efba5be2297996ddea7f88d3aa

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
SignaturepGu7u+5h220Qr1QUjMRAqw34eDf+6MJ8g07R+3Mw8QLmC8nX6I26gpigRvKOuJ25HhCSaMZAvNeqLmkwVjnHCw==
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

2026-09-17T10:11:37.227481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077119
observed 39f259716b0b46e3b948e4ee4311d41e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:37.208799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077119/manifest.json
observed bcfc3eb9890b81e5239b9fa605597a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:37.189400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077119/publication.md
observed 2a7de263b457aff22137754386cf87bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:37.042819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077119/publication.txt
observed 09ce952839f811e07cd68c6d9989b3ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.247393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077119
observed 39f259716b0b46e3b948e4ee4311d41e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.229078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077119/manifest.json
observed bcfc3eb9890b81e5239b9fa605597a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.210951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077119/publication.md
observed 2a7de263b457aff22137754386cf87bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.192767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077119/publication.txt
observed 09ce952839f811e07cd68c6d9989b3ca...
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.