OpenTechnical

OT-2026-000081612

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented after 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-2026-000081612) never changes.

Identity and time

Publication numberOT-2026-000081612 · never reused
Internal UUID01a0ae97-0f72-7af7-b4f4-28f822dec83c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081612
StatusPUBLIC

Content hashes

Canonical textdbff23142aec23cdd11773aa2183d8dec18cf544d47b47cf96fa19df728027fa
Markdownc55b24fdd7fd4e1c3cec21030fb7a1c759e4240d2b61c56b657d6e886d219428
PDF
Publication paged44e5ddf8e303cb306b009c4c1fe052632cdc3c56017488799d9971fbf01471b
Manifest70d8cf2840fc31904508270c65909d2800fec8326651ee7d760d7e84abe5adf3

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
Signature2+Gs9uUOIjwO9zbwU7SWqTvvjUkZJ7Gzg84n2PmvNrC3H4qIw8sXm6ec8ucVfqzRGKZuiM/wORXf0TT4iNxBAg==
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

2026-09-17T09:59:39.198214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081612
observed d44e5ddf8e303cb306b009c4c1fe0526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.179182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081612/manifest.json
observed 70d8cf2840fc31904508270c65909d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.157992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081612/publication.md
observed c55b24fdd7fd4e1c3cec21030fb7a1c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.106659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081612/publication.txt
observed dbff23142aec23cdd11773aa2183d8de...
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.