OpenTechnical

OT-2026-000071558

Publication integrity record

Single bellows cup vacuum gripper, single 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-2026-000071558) never changes.

Identity and time

Publication numberOT-2026-000071558 · never reused
Internal UUID01a0ae91-e0ee-7e0c-bcf0-fddad89e02b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071558
StatusPUBLIC

Content hashes

Canonical text796fc964b0e251b364d3ec0c999806f3627b4c4ae2fe14156c7fb00b28bf0b6b
Markdown67f10d60c75b0c0ba13d62809374f2276bec724047f296b284736842ffb6e0d8
PDF
Publication pagef098c1ce0c9c8237b6b8aa5af3fde8850c8dcf32cc70e9402faf41980ce754ca
Manifest7bd46d3ec6aa8597cd69b188fff0303bdd61ae3d587823a28574063bd4cf7f49

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
SignatureBIloa6/K/dOE6kOu05QDvB6shHWUsyZXWd3ZWrnUk14OJavHbXhU4KSn34d8zSyKXmjXI5njZJIMLmMxJi2uCw==
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

2026-09-17T10:25:12.791961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071558
observed f098c1ce0c9c8237b6b8aa5af3fde885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.774710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071558/manifest.json
observed 7bd46d3ec6aa8597cd69b188fff0303b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.758104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071558/publication.md
observed 67f10d60c75b0c0ba13d62809374f227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.743326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071558/publication.txt
observed 796fc964b0e251b364d3ec0c999806f3...
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.