OpenTechnical

OT-2026-000087559

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087559) never changes.

Identity and time

Publication numberOT-2026-000087559 · never reused
Internal UUID01a0ae9a-cd52-7bd3-928b-db1b4bd5dee1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087559
StatusPUBLIC

Content hashes

Canonical text83cf95c629eebe0b2730b27ebd843db1f5c38800dd69e94e790a92d2bb0ffcbe
Markdown190d1908d92edb0cf789f271a8a899a9515774dc83844827e06c9f36b7dbc4f4
PDF
Publication page2200c2f50694a54523c5d2378adddb66f7159372ff73b571300cfee6df7879ef
Manifest320b0926608338bb2ad90dd16a584e1a9825ec2b69d092bdad08cba1a00f0b9e

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
SignatureLAxaT86F0ABJhmir2yD2wVruYTxJGOgV6ysXGhzkesoOr0n2dExwgdA7HybPJYu/rgsWpOI1c0MX0xIYsmsPAg==
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

2026-09-17T09:50:54.186049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087559
observed 2200c2f50694a54523c5d2378adddb66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.169720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087559/manifest.json
observed 320b0926608338bb2ad90dd16a584e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.152596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087559/publication.md
observed 190d1908d92edb0cf789f271a8a899a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.135292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087559/publication.txt
observed 83cf95c629eebe0b2730b27ebd843db1...
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.