OpenTechnical

OT-2026-000034301

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000034301) never changes.

Identity and time

Publication numberOT-2026-000034301 · never reused
Internal UUID01a0ae75-df0e-7d80-ae4c-8096d65fb268 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034301
StatusPUBLIC

Content hashes

Canonical text9333195791680de6c01ca09225c4fccaf5443a9ab5fa867d85ee992957b475e1
Markdown6fafc967545b40d472a3d412c62e07089439d88b3ab6d4d996576b16fb452ec9
PDF
Publication page7b1533b509698994055513966581f4f977c1e502b591d9d2bc1a4e7830c613cf
Manifest2b55bb890e5d41120c50173f98a8cbf976afa937ee167de7890a2d3b7be484a9

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
SignatureUCQK6WTs20uHaX+W/lXHnX/X2YXBDnC918LROVgobTb9DZ1OyYwhOkBubcPL+4G3SCjMjn4K/ZLRtV0iL3gWAg==
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

2026-09-17T11:30:59.476721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034301
observed 7b1533b509698994055513966581f4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.460493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034301/manifest.json
observed 2b55bb890e5d41120c50173f98a8cbf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.443156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034301/publication.md
observed 6fafc967545b40d472a3d412c62e0708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.426176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034301/publication.txt
observed 9333195791680de6c01ca09225c4fcca...
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.