OpenTechnical

OT-2026-000078395

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000078395) never changes.

Identity and time

Publication numberOT-2026-000078395 · never reused
Internal UUID01a0ae95-7c28-7ef4-9272-1af97c9b36a9 · 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-2026-000078395
StatusPUBLIC

Content hashes

Canonical textc5eb37abc0aaf92eb7d86a9fe8079d090cae708b66f74a7042d20d90ed8403a5
Markdowna57103399de57102ba3354c3f354c314154fbb57ccd21595541b861b0ec839ac
PDF
Publication page035a27d202d4eb7d9f8e3d28f73365a6030a3df2c7f5d4052e458056836b1fed
Manifest305a227afbfa642d60aa31d176092ebe8de58e1726458d29d0c9489729802788

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
SignatureD4865IAAvPtGPkSekfnNQKiqDud5Q+m/v04SQ6dG7TBCO/54tQNgxubQgpCUGgcW3loKuHfl3FqAHp/rxt23BQ==
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

2026-09-17T10:06:22.172571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078395
observed 035a27d202d4eb7d9f8e3d28f73365a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:22.152793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078395/manifest.json
observed 305a227afbfa642d60aa31d176092ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:22.132677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078395/publication.md
observed a57103399de57102ba3354c3f354c314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:22.113560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078395/publication.txt
observed c5eb37abc0aaf92eb7d86a9fe8079d09...
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.