OpenTechnical

OT-2026-000045183

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000045183) never changes.

Identity and time

Publication numberOT-2026-000045183 · never reused
Internal UUID01a0ae7c-f769-76b2-9769-7c9f63af415d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045183
StatusPUBLIC

Content hashes

Canonical text4762571f21df95a8b76a3b23ddc06af34dada8ac2034cb74547e19bbcfe0c984
Markdown3ef0cb15c368fdced7149eb55ed836ab82b9e82384249a9f67485e656f6b9002
PDF
Publication pageef0de163e914201c19d92f6a492b21c20e3479bc06fe07b7bb55792c018b0a9a
Manifestc0802865b01bff3b17fa2312d59edcfca9a3c892ca1d2d6b3973f5727dd61799

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
SignaturelTrUbbPo0ixWo71pfx1jn1dnr8rL0XGWdKR6z+KbrNaiuIIXDAFG/OmGY8iIe/JnOLQV/pZ8ur/IllYI+Ik7CA==
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

2026-09-17T11:10:21.118590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045183
observed ef0de163e914201c19d92f6a492b21c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.100069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045183/manifest.json
observed c0802865b01bff3b17fa2312d59edcfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.078454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045183/publication.md
observed 3ef0cb15c368fdced7149eb55ed836ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.054957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045183/publication.txt
observed 4762571f21df95a8b76a3b23ddc06af3...
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.