OpenTechnical

OT-2026-000101003

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000101003) never changes.

Identity and time

Publication numberOT-2026-000101003 · never reused
Internal UUID01a0aea3-c377-7d46-89b8-a57b065c939d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101003
StatusPUBLIC

Content hashes

Canonical textcf5b9642739387e324b2ffd3426dc620c21f9381dc8a95f22e80c366a402a8c8
Markdowndb7e044bec2bb1565f206e1ec37c6a7b6d09e17d9beb0230678c094db59c822a
PDF
Publication pagebe78f3f72db55f537fc5391ed1a8c583fbc157e88eb290724270aaf87705e280
Manifest9c914ae8cd740ff33f74c01aef15b358b63b72f717f88c3f03df09326379c077

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
SignatureFiVvdwEOGO6jNTOJ8+/A9N7V8kO+71HMEmb9NjB2gxp/vsC3J8gKfOkflWX2iwqfqMY8uUdcFaRR9FOJj+UvAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:21.356882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101003
observed be78f3f72db55f537fc5391ed1a8c583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:21.310525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101003/manifest.json
observed 9c914ae8cd740ff33f74c01aef15b358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:21.291316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101003/publication.md
observed db7e044bec2bb1565f206e1ec37c6a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:21.239459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101003/publication.txt
observed cf5b9642739387e324b2ffd3426dc620...
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.