OpenTechnical

OT-2026-000073209

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000073209) never changes.

Identity and time

Publication numberOT-2026-000073209 · never reused
Internal UUID01a0ae92-efb6-7b31-951b-9d58fffddbdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073209
StatusPUBLIC

Content hashes

Canonical textf10680ed8325bc7f629c7e4a4139a64bdc57d473ac0f24a2fcd71cf3c0f6f71c
Markdown4dfe98a3f1d50ea1495d8fa76f3a8721ebf533c1f570e2660fb63e8ca546586e
PDF
Publication pageb0e523760dabaeef572733cf4288d9e1c2fcbbebf22d4bf176a9879d408998b8
Manifest7efc6ec43d059a295a69dc878d071796da488fb35212e04aa1945ce79ba92447

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
Signatureq6FdFo5WHcYKrJgML4RvA8sjnRNlwWSWdTs+TO1KKybuU0yg19K5uczpjbq6dOo5htQZkqHP+vkxG77cJ1oIDw==
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

2026-09-17T10:21:10.615421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073209
observed b0e523760dabaeef572733cf4288d9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.596126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073209/manifest.json
observed 7efc6ec43d059a295a69dc878d071796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.576598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073209/publication.md
observed 4dfe98a3f1d50ea1495d8fa76f3a8721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.556786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073209/publication.txt
observed f10680ed8325bc7f629c7e4a4139a64b...
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.