OpenTechnical

OT-2026-000033173

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000033173) never changes.

Identity and time

Publication numberOT-2026-000033173 · never reused
Internal UUID01a0ae75-4844-7da8-8b2f-6da139b41dff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033173
StatusPUBLIC

Content hashes

Canonical text83396ded9dd079a06c820938f1855a7263db200bc846f65f0ae3005b8ae3e905
Markdownd9da52569e53680fce71ee75874b76a9bf67cc192606700d5c88d437a810a46b
PDF
Publication page6283d61b645584cddac97d419842286c0316f1f8283a9ac3fb0d5020168c646c
Manifestc37497dd4bb8a3406cc814c29bd251308eb91b20dc962dd624458a28d6bc9a2d

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
Signatureq523PlZIe5hM4YMuQqJiUpJ81ZyVOnVvj8ghKhtRYllXJH8w83PeIQ33JizTjdRCOapN4mZBOZHZ4srOBfRvBQ==
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

2026-09-17T11:32:51.920427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033173
observed 6283d61b645584cddac97d419842286c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.901309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033173/manifest.json
observed c37497dd4bb8a3406cc814c29bd25130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.883514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033173/publication.md
observed d9da52569e53680fce71ee75874b76a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.864273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033173/publication.txt
observed 83396ded9dd079a06c820938f1855a72...
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.