OpenTechnical

OT-2026-000099884

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three 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-2026-000099884) never changes.

Identity and time

Publication numberOT-2026-000099884 · never reused
Internal UUID01a0aea3-1473-7eba-8ca7-2a9e3f0660d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099884
StatusPUBLIC

Content hashes

Canonical text1e56be4c7cab9a27f4eadcff820ecd2d723bd3cd7fa283c4c67ede8fb9abf5b8
Markdown8bdc2f41884191c6c345f610872b2e4ad7196c4e1787c6ea9dc206ab78e8a90b
PDF
Publication page5d75dde74cc2cc9810b90b6c115a27570aaace10094952b35402aa17fb4463fb
Manifest3949f7b8cd76ea7753a8aaaa0e2af021a90bbddd669da62cb25f1da788a91f8f

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
Signature1hOXHCcAxxqJhH0/TU5lIxwANtEDj2H2Jq4c8i96mdck9wOYsOOSPWJmiFf6M8xKj+tuIKXxNYnPySwDPbNiBg==
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

2026-09-17T09:30:30.813413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099884
observed 5d75dde74cc2cc9810b90b6c115a2757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.796393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099884/manifest.json
observed 3949f7b8cd76ea7753a8aaaa0e2af021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.777478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099884/publication.md
observed 8bdc2f41884191c6c345f610872b2e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.755766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099884/publication.txt
observed 1e56be4c7cab9a27f4eadcff820ecd2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.525131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099884
observed 5d75dde74cc2cc9810b90b6c115a2757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.506289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099884/manifest.json
observed 3949f7b8cd76ea7753a8aaaa0e2af021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.486619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099884/publication.md
observed 8bdc2f41884191c6c345f610872b2e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.467686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099884/publication.txt
observed 1e56be4c7cab9a27f4eadcff820ecd2d...
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.