OpenTechnical

OT-2026-000094955

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000094955) never changes.

Identity and time

Publication numberOT-2026-000094955 · never reused
Internal UUID01a0ae9f-2def-7d17-b9af-fb398839d887 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094955
StatusPUBLIC

Content hashes

Canonical textaea97166c18426980cca8c83d771ff91ab75f48e8dc4bffc63826582fbd38db2
Markdownded78e4bbe0d67e9155403390a86a75f10412e0487447fc6925f22b15d7b5aeb
PDF
Publication page8af990001d05e41bd790ad7362594ef2f44b1b322d037c5c4f1aec6120c46c05
Manifest6bc5d15deb713af625815f40405207a73183b433a5dad098eb4a1dffe72d175c

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
SignaturevezQuT6hX8bDgxqIGmkkLs43hOI+vdjp6axhtLBonsl3vaNrhT1JD/4L24StbDX4DBIsLuhu7zpDuGtlNyoRAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:29.609521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094955
observed 8af990001d05e41bd790ad7362594ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:29.591057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094955/manifest.json
observed 6bc5d15deb713af625815f40405207a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:29.573318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094955/publication.md
observed ded78e4bbe0d67e9155403390a86a75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:29.555262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094955/publication.txt
observed aea97166c18426980cca8c83d771ff91...
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.