OpenTechnical

OT-2026-000086028

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000086028) never changes.

Identity and time

Publication numberOT-2026-000086028 · never reused
Internal UUID01a0ae99-e82b-7f13-961b-2fce37bb4960 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086028
StatusPUBLIC

Content hashes

Canonical text08ed6c0f6c807e89510bc408e74fe781da009fda6e29143d35c45b26bddf9fed
Markdown9aed54ab4c02e21a3b8ebe0e2c15b16c1cb05fae23aa34c9f6cf2e3be4671249
PDF
Publication page5207786213bf0176787cfda5fdd763aaded9309296262effb8dfc5607bf15dab
Manifest56ccf02a970b5a3b72e6c40b80fa8a491b957be9ba2d80131f11575fabe32eab

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
SignatureJ9HImcY8Dho+pPiUqigx0EV3sUAURI9KkErjqNmEnN6Yk3fpQLVQnXjA16hOA8kE9EGvVqc2TeJoXb/xEjqXDA==
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

2026-09-17T09:53:01.205365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086028
observed 5207786213bf0176787cfda5fdd763aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.185287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086028/manifest.json
observed 56ccf02a970b5a3b72e6c40b80fa8a49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.167525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086028/publication.md
observed 9aed54ab4c02e21a3b8ebe0e2c15b16c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.149939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086028/publication.txt
observed 08ed6c0f6c807e89510bc408e74fe781...
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.