OpenTechnical

OT-2026-000089298

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089298) never changes.

Identity and time

Publication numberOT-2026-000089298 · never reused
Internal UUID01a0ae9b-db01-7272-b897-642d3b4f6d7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089298
StatusPUBLIC

Content hashes

Canonical texta753f5df91aaab79a2d178b7a3dee7c50dc9995ef1aeeabbb9396caa146e7d99
Markdowncc534e9bd5306503aaf63ce7046590e3e479216b9695dfc963e017ad92cc8bb4
PDF
Publication page96d14d2e90777d029041e19d2278351c1654b703a58ed4165a3b94646c21f7b0
Manifest8d125e6842d0b9e3f4d08ce9ba6e8da4302f593a3bc9e63f35d06cd19d6e1089

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
Signature4UYghCkag9NISvAGILuRF0d3AZgYoiqfQk6Nv+K7f41eruNluteZoxzVOAgMgPxOJtjPAk+H309wBZHtP102Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:20.783811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089298
observed 96d14d2e90777d029041e19d2278351c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.767071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089298/manifest.json
observed 8d125e6842d0b9e3f4d08ce9ba6e8da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.749576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089298/publication.md
observed cc534e9bd5306503aaf63ce7046590e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.733131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089298/publication.txt
observed a753f5df91aaab79a2d178b7a3dee7c5...
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.