OpenTechnical

OT-2026-000070614

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, vented before set-down

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-2026-000070614) never changes.

Identity and time

Publication numberOT-2026-000070614 · never reused
Internal UUID01a0ae91-8c2b-7b6f-be50-120833333698 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070614
StatusPUBLIC

Content hashes

Canonical texte67965dada2803f3299f64adc69d3ddaf8be39882ddcd59468f647e5297a7a9f
Markdown31de701de9146b8934322423cb914864ab9b77e69caf9bc0e206e0dd25b99426
PDF
Publication page94526841f19c6c76be66f3d20ec58fbd10a0c09d9b99a685c8383eb586b8e4bb
Manifestd3896df93c9d913d60b93c9d71585bce8724dc0c8ddedb29fa3e8dd95e05190d

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
Signaturebx8PdwqR7FX1qMQzujwxh9x0rQBn39M4V82iyWreS39iEfxaB66KkJ0+wuNWeXcrUfyW03E+QqIp9dshS/9CCg==
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

2026-09-17T10:25:16.622220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070614
observed 94526841f19c6c76be66f3d20ec58fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.599957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070614/manifest.json
observed d3896df93c9d913d60b93c9d71585bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.581302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070614/publication.md
observed 31de701de9146b8934322423cb914864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.557544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070614/publication.txt
observed e67965dada2803f3299f64adc69d3dda...
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.