OpenTechnical

OT-2026-000080827

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000080827) never changes.

Identity and time

Publication numberOT-2026-000080827 · never reused
Internal UUID01a0ae96-b974-7c31-8553-12036339f9a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080827
StatusPUBLIC

Content hashes

Canonical text50d9c77f4164961137bd75aa1feed819673fbd4e397ab1b7ebf781d1b7216c5e
Markdown650eee662fe2bf90f89767ca7b9e6b3176477afca81a8be37e1a081de821c761
PDF
Publication page7de7016feae9dcfd53516c82df1bc09cd91b83abf6fe9257b2449124db33e25e
Manifestc8f0e7d0fca6b6cae6ac216a52ac96394e659aeae45a9fea3551e98d58e2f077

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
SignatureBrmt3GeKZjnbbZ8k+XefNbPR0XaqBpfj5jiinoDDF4NGDD+i3QWNw04q1xpxuiNuLaUw9Lx+SB9dOsD7f72WCg==
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

2026-09-17T10:02:00.764048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080827
observed 7de7016feae9dcfd53516c82df1bc09c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.745721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080827/manifest.json
observed c8f0e7d0fca6b6cae6ac216a52ac9639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.726749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080827/publication.md
observed 650eee662fe2bf90f89767ca7b9e6b31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.707687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080827/publication.txt
observed 50d9c77f4164961137bd75aa1feed819...
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.