OpenTechnical

OT-2026-000077618

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented after 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-2026-000077618) never changes.

Identity and time

Publication numberOT-2026-000077618 · never reused
Internal UUID01a0ae95-2ece-7cfe-98cb-7b5bc8f26c5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077618
StatusPUBLIC

Content hashes

Canonical text9f9b61d5033d7eff5fef848d04ff4c0f922431027a125e905178f513c57feb7b
Markdowne62997f4cd72c7a93e6b5b99af30f00049a97d9970bdea7374bed4f1fc0726dd
PDF
Publication pageb761957e0f8dc7a7f0061b13af336df7c1c1aa7ef5edc8282fac13fd2e5642ed
Manifest39e7f3db754d6e1a696a13ec2ee16228bb565efba0c0dd0cc020a63d101304aa

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
Signature7xudnx8E9d4X68w2tqfVsExB/jGDTyO04ePUKcONVJY6xLIC9av2D9JXilAd/CVMLY+yKFNOYMcgEWzFixSBCA==
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

2026-09-17T10:06:54.415791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077618
observed b761957e0f8dc7a7f0061b13af336df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.398858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077618/manifest.json
observed 39e7f3db754d6e1a696a13ec2ee16228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.381448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077618/publication.md
observed e62997f4cd72c7a93e6b5b99af30f000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.363681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077618/publication.txt
observed 9f9b61d5033d7eff5fef848d04ff4c0f...
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.