OpenTechnical

OT-2026-000070555

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000070555) never changes.

Identity and time

Publication numberOT-2026-000070555 · never reused
Internal UUID01a0ae91-5460-7c98-acff-464fa9a052d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070555
StatusPUBLIC

Content hashes

Canonical textc92baff4687623adfc4478d40926cf23d30f4a334a34e28a1e4d001d3337fdfb
Markdown6abf7778ee2f475e4c33c6d28b673db332c01ccf5a32e9374583609c3784fdea
PDF
Publication page553b5506c2d774823f2f73d7c423d4194c2dcefa1a7779aa7a0ba1e38aafbfe8
Manifestbca8b8fa880f35c7123e7f1b1a54593e1a3627e1ac736a1614a528ec8031e19c

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
SignatureQc32G10JZJZM0fhdTJAYAWC198OXfj2WlhVLsXD/e0/lhykMmm4POKgpoYCA2fdFa9NKPs/PamHw7b9UfxYuCQ==
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

2026-09-17T10:26:24.264086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070555
observed 553b5506c2d774823f2f73d7c423d419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:24.245418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070555/manifest.json
observed bca8b8fa880f35c7123e7f1b1a54593e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:24.227500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070555/publication.md
observed 6abf7778ee2f475e4c33c6d28b673db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:24.208156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070555/publication.txt
observed c92baff4687623adfc4478d40926cf23...
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.