OpenTechnical

OT-2026-000078292

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000078292) never changes.

Identity and time

Publication numberOT-2026-000078292 · never reused
Internal UUID01a0ae95-7c27-7603-b8c8-c8a74eb7d8f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078292
StatusPUBLIC

Content hashes

Canonical textddcd8d63fd214fcc4ea15b729370c308c81f0305fe3cee6f2b8fd7a4bb87fcef
Markdownc22e5546fed4745794f5fe765379085befc3bad8e6ed417b99bab4969aacb816
PDF
Publication page116ddf6618c7ce38d698923ca572b562a554c444e988548542d2269ec9cbaa0c
Manifestcd013c023b734918c6d6efc861821cd64a8bf7be9b8acc053ca50aef13139d26

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
SignatureskMc61rcTqCqMnxpcuL3SgWOaL+uxdH5a7XurEJQeDc1dV+5rwXoIXg+NzuxkQ+gDaZ7Y8smEgaVpTmNKaMBDA==
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

2026-09-17T10:06:15.397414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078292
observed 116ddf6618c7ce38d698923ca572b562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.379750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078292/manifest.json
observed cd013c023b734918c6d6efc861821cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.360845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078292/publication.md
observed c22e5546fed4745794f5fe765379085b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.341493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078292/publication.txt
observed ddcd8d63fd214fcc4ea15b729370c308...
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.