OpenTechnical

OT-2026-000011500

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000011500) never changes.

Identity and time

Publication numberOT-2026-000011500 · never reused
Internal UUID01a0ae6c-88ff-7376-b8e2-320f4befe5ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011500
StatusPUBLIC

Content hashes

Canonical textab090eb49cd86848e65d6c4e795057a68bfbbc108c8b392178f1e8e7d6bf8184
Markdown74831cd77faf88a80b88905a4e192aa986279d6bc61605ebb7f8ea3a340d4fef
PDF
Publication page4200bdab52bbe82331815a194a054e5e0f870fb633a1ad0e0dd1077c0b811e05
Manifestef5f22f940046c370fe4274cb0c388f26c038c2363ef1b4c404dcc495e446665

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
Signaturen4jzjNIMqYK1e5mL0e0YxIumtvRtOoDMLpQX3WmBuC7h/m3V+WB6dXaXmQtlR1uJaLa9W0aLxLlPJ4Diw+EYCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:16.748793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011500
observed 4200bdab52bbe82331815a194a054e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.728590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011500/manifest.json
observed ef5f22f940046c370fe4274cb0c388f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.708218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011500/publication.md
observed 74831cd77faf88a80b88905a4e192aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.688826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011500/publication.txt
observed ab090eb49cd86848e65d6c4e795057a6...
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.