OpenTechnical

OT-2026-000079927

Publication integrity record

Two cup vacuum gripper, two 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-2026-000079927) never changes.

Identity and time

Publication numberOT-2026-000079927 · never reused
Internal UUID01a0ae96-4377-7bbb-af66-7639f52a0073 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079927
StatusPUBLIC

Content hashes

Canonical text26410dada15894199f46ddb50c752aebacd9969c9b2b6808478948d8461940b7
Markdownab811b4201a7efc8ee527050bca403d8ed6a872c1e81c0a714eb15eabd2b2b69
PDF
Publication page08f805cb4b1f9b6d415add17b8908a8baad4973be9172eec646ac3d8f9e7fcc7
Manifest65a3f8cf9849540e6a5fcc02ee1778ac5714c3e7ab6a5f720aa10d1c0a9053af

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
SignatureO8XK6H+TsVk17X5yYVbo/098o+Oab/9iJex2m2w9LPzuARB5X6oDAhdjcre9Ruus7MNscuzDHfud/jgUXKu1CA==
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

2026-09-17T10:03:49.735638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079927
observed 08f805cb4b1f9b6d415add17b8908a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:49.718091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079927/manifest.json
observed 65a3f8cf9849540e6a5fcc02ee1778ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:49.699675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079927/publication.md
observed ab811b4201a7efc8ee527050bca403d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:49.681329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079927/publication.txt
observed 26410dada15894199f46ddb50c752aeb...
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.