OpenTechnical

OT-2026-000095523

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000095523) never changes.

Identity and time

Publication numberOT-2026-000095523 · never reused
Internal UUID01a0ae9f-8f74-74bb-ba95-ec3c75c7f558 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095523
StatusPUBLIC

Content hashes

Canonical textf40dec351924b447ce207bac4ff3efecaa58a827c3c97a80aae60c9f22959c2b
Markdowndee4d94efbb108fcf07a414c57c8f3296d4309f7aa1e6c49d31100cd2c393551
PDF
Publication pagebb6f3f44394dc8ac26f1e402dd5954120dd19ff7c6d3f645a544d50662f4fccb
Manifest221831e913a38dc0a666512bf1cd2a440728efc8834902c4da50b67a14c0cf5d

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
SignatureyCnNWB4DpGVojazxn6NJ50RDYYR97tDbGHtOPiVTiCbXlOQ5i56NZzfhcO7s7xrtRjVxhHj4mrG/5zhBaBoEDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:55.950296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095523
observed bb6f3f44394dc8ac26f1e402dd595412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.934194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095523/manifest.json
observed 221831e913a38dc0a666512bf1cd2a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.918217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095523/publication.md
observed dee4d94efbb108fcf07a414c57c8f329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.902797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095523/publication.txt
observed f40dec351924b447ce207bac4ff3efec...
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.