OpenTechnical

OT-2026-000083375

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000083375) never changes.

Identity and time

Publication numberOT-2026-000083375 · never reused
Internal UUID01a0ae97-c964-708d-9698-aac4b49eda78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083375
StatusPUBLIC

Content hashes

Canonical text222edd5d49b2d80064d82681f29cca7f99918596979bb4d73489c881594de1dc
Markdowne8211566747f5f13a36a1f55a87fbd5424a563ae2ee5025fede0e4643f39e4b6
PDF
Publication page253ab31ae582942523ddd3614d09a1254612f35ac8c55fe9fe619e3e2d34b0f5
Manifest00da969e9f3f48fc2252ae96759739bd916885359d0e811e1ef030311f1f6e09

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
SignaturejM1HGBmM+qv1rONHoy4K4TeIAeilwnt543MmC3YbEPrivDGpkUp7JiqEsWwt6NvIVAHrrCwkMUzr6zLnWJ6YAg==
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

2026-09-17T10:00:47.838706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083375
observed 253ab31ae582942523ddd3614d09a125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:40.649695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083375/manifest.json
observed 00da969e9f3f48fc2252ae96759739bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:40.389148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083375/publication.md
observed e8211566747f5f13a36a1f55a87fbd54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:40.370999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083375/publication.txt
observed 222edd5d49b2d80064d82681f29cca7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.757969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083375
observed 253ab31ae582942523ddd3614d09a125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.742261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083375/manifest.json
observed 00da969e9f3f48fc2252ae96759739bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.727429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083375/publication.md
observed e8211566747f5f13a36a1f55a87fbd54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.711323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083375/publication.txt
observed 222edd5d49b2d80064d82681f29cca7f...
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.