OpenTechnical

OT-2026-000083123

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000083123) never changes.

Identity and time

Publication numberOT-2026-000083123 · never reused
Internal UUID01a0ae97-c962-7b39-b138-f2cbceae4961 · 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-2026-000083123
StatusPUBLIC

Content hashes

Canonical text18392c4b1bd1a5a4c9d73a879514e45387497e496b6a6bcce71d69f2b1b004fe
Markdowneeede94422fe29ddac7f348e57f33318c81ab60cbb4af2e0da8e925a006d5b0f
PDF
Publication page3ac283c03d3fa0f0ea51551914eda5de6b7dcacc5c0e535534fce4b1c8663eec
Manifest59ea446160519584ec98ca6372b766c8018bff99ca382d8a0a25d414420687f7

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
Signaturex9i65ejMKEu+JGK+7ZIWOBhLdMd2Bs8WUQDq/hOMuxGKQpy5p6CWC89EJf4UVCpkyJxu81OSN5t2RCd+H0RiCg==
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

2026-09-17T09:00:44.387554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083123
observed 3ac283c03d3fa0f0ea51551914eda5de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:44.358265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083123/manifest.json
observed 59ea446160519584ec98ca6372b766c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:44.340424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083123/publication.md
observed eeede94422fe29ddac7f348e57f33318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:44.175617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083123/publication.txt
observed 18392c4b1bd1a5a4c9d73a879514e453...
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.