OpenTechnical

OT-2026-000069412

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000069412) never changes.

Identity and time

Publication numberOT-2026-000069412 · never reused
Internal UUID01a0ae90-b529-73b5-9408-851d1e09f0e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069412
StatusPUBLIC

Content hashes

Canonical textc2c963c9f9c34660e97c65368195d932708c06ab7df57163b9ec48cdfc1b4fd6
Markdown4dd7b290534f18042a52654fe94e7b972abcbf70962c5ed1b72b79f9b3226e4f
PDF
Publication pagec9587ece5485979292b80798630704b340e262f94f2b1299d3f67b0607fe3c95
Manifestdcb36fb0594b2a3c47072b83caf7fdd1fa9275dccb3a770f242a8ee3ea587955

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
Signature0JSKCA0ht3CdP/ghjntCWrl5eKGt7MtHXujr9UWYAit13TctGO7BHB46htQzjK+4jx2+f96MjEs/nPEkSmw6CA==
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

2026-09-17T10:30:20.639541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069412
observed c9587ece5485979292b80798630704b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.620561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069412/manifest.json
observed dcb36fb0594b2a3c47072b83caf7fdd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.598364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069412/publication.md
observed 4dd7b290534f18042a52654fe94e7b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.579757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069412/publication.txt
observed c2c963c9f9c34660e97c65368195d932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:00.897999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069412
observed c9587ece5485979292b80798630704b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:00.880697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069412/manifest.json
observed dcb36fb0594b2a3c47072b83caf7fdd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:00.863898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069412/publication.md
observed 4dd7b290534f18042a52654fe94e7b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:00.846544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069412/publication.txt
observed c2c963c9f9c34660e97c65368195d932...
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.