OpenTechnical

OT-2026-000084171

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000084171) never changes.

Identity and time

Publication numberOT-2026-000084171 · never reused
Internal UUID01a0ae98-5b5f-7008-ac5c-2407a67fc6d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084171
StatusPUBLIC

Content hashes

Canonical text0b79f69f903812db4acdf842c38c293d7b1dc6cebe12a155e0722fe8507c4bc7
Markdown7609d9ab24fb36a135fa3a7caf4af17f8e5b541957b989c161c3239cfc9d1276
PDF
Publication page79168d566da3591bc0a5124465af167a35364bb997ef637da4b381fa1b05411e
Manifestcf784f59d43fb79af6acab2b839f38ff7dd12ba51982625c3aec567fadb19451

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
SignatureOLr84Ggost2ZcIbFfop22/05HCJ7oiqNfUD77+2WCFFjhhRoc2MQDgpuAWqQg9gvgNYGCD9+3C2klDLFW6VYAw==
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

2026-09-17T09:55:56.817930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084171
observed 79168d566da3591bc0a5124465af167a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.801204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084171/manifest.json
observed cf784f59d43fb79af6acab2b839f38ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.784959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084171/publication.md
observed 7609d9ab24fb36a135fa3a7caf4af17f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.766021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084171/publication.txt
observed 0b79f69f903812db4acdf842c38c293d...
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.