OpenTechnical

OT-2026-000077683

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000077683) never changes.

Identity and time

Publication numberOT-2026-000077683 · never reused
Internal UUID01a0ae95-2ecf-773c-ae62-09842459f696 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077683
StatusPUBLIC

Content hashes

Canonical text4ae48c15cf091cca84c300bdfaafacd63ad669bb2181d45aa9658ad8c00be760
Markdown5623bdc1f0b91251e75726cc57ff8ebdebd38f2f4ea1947d28d490a0f5eb5703
PDF
Publication pagec81441affe61ff4e2386c6452e17ba53e12c901057eb7bcf0e229d971bb074f2
Manifestf63890cea37473a15083db6a3ed9f39ce1c56715a4757aaa3e44e33d43e8b830

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
SignatureSG5+DoZ11ux5lw8KsYA3HV5L0n34vFt8P8m4qUUJQIefnjvh1jkqgX44Lv/nUlUvpmGavJ7FZAWHZcVO8szVCg==
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

2026-09-17T10:07:15.298494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077683
observed c81441affe61ff4e2386c6452e17ba53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:15.279031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077683/manifest.json
observed f63890cea37473a15083db6a3ed9f39c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:15.260981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077683/publication.md
observed 5623bdc1f0b91251e75726cc57ff8ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:15.243050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077683/publication.txt
observed 4ae48c15cf091cca84c300bdfaafacd6...
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.