OpenTechnical

OT-2026-000073950

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000073950) never changes.

Identity and time

Publication numberOT-2026-000073950 · never reused
Internal UUID01a0ae93-2b8e-7d7a-ba25-a81916261b93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073950
StatusPUBLIC

Content hashes

Canonical text3611332529548758077245f8e99da2df32217167a14585b2dcd78d2eff52de99
Markdown26629a87200eef388c033b526e22ec8bb20ab3118117f8e39919fe4d324ac7ef
PDF
Publication pagec18eaf19929abf2883c15f3687c257f7e685ebea5c7ad345cc52537574222629
Manifeste065cd8ddd19a22ee0ab0a271aa9f32fe39666051737fc98eee9d2ed5ebc4bb2

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
Signature8wuL6sRwEJka9c/7YV0lznmh+Cez98QYqPAgVMwAEb+Ve1NhUUORtVMCgPxScoHZr3iMHq/bnzta8Jgs71UoAw==
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

2026-09-17T10:20:14.415454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073950
observed c18eaf19929abf2883c15f3687c257f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.397337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073950/manifest.json
observed e065cd8ddd19a22ee0ab0a271aa9f32f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.377369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073950/publication.md
observed 26629a87200eef388c033b526e22ec8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.358333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073950/publication.txt
observed 3611332529548758077245f8e99da2df...
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.