OpenTechnical

OT-2026-000075222

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000075222) never changes.

Identity and time

Publication numberOT-2026-000075222 · never reused
Internal UUID01a0ae93-f200-71e7-a449-8d8780c9965a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075222
StatusPUBLIC

Content hashes

Canonical text86794e59bafe9d171cafd9f8b0213a4e33c053e5444f20c9383e22b49ecbf7d2
Markdown076ce3c95e9d767daf4ec29b10038ebaf72bb4bcbb1884b6084e1efd1a435978
PDF
Publication page96e2a9f9281550742c7312634118c7eb43f553fea21a0f8139b5b52e69950b7a
Manifestcd4f00be97b0c140ba6ee0fdfae389aeb28378415f2b21170e2688365a43b0d7

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
SignatureR283w0A/nUB3uJ/Ld08eR+UiDfqkVJy733ep+EDGPWzfAPeS8YCqSpJpSahrZ5KrkKP91w0xK0zbaoozRo8uCw==
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

2026-09-17T10:20:30.216658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075222
observed 96e2a9f9281550742c7312634118c7eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.196999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075222/manifest.json
observed cd4f00be97b0c140ba6ee0fdfae389ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.176814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075222/publication.md
observed 076ce3c95e9d767daf4ec29b10038eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.157085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075222/publication.txt
observed 86794e59bafe9d171cafd9f8b0213a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:45.023158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075222
observed 96e2a9f9281550742c7312634118c7eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:45.003788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075222/manifest.json
observed cd4f00be97b0c140ba6ee0fdfae389ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.985678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075222/publication.md
observed 076ce3c95e9d767daf4ec29b10038eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.967827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075222/publication.txt
observed 86794e59bafe9d171cafd9f8b0213a4e...
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.