OpenTechnical

OT-2026-000067140

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000067140) never changes.

Identity and time

Publication numberOT-2026-000067140 · never reused
Internal UUID01a0ae8f-14ff-7e2c-9189-444f109d1b0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067140
StatusPUBLIC

Content hashes

Canonical text177fe1b68a4eaba400906eb132294128ddaa8b162bc8c887098a1fc89abc8c9d
Markdown1fcdfae0fce6ee6805bbb79218b69e6d8409b8e9ef2bf54528ed8f3a53155546
PDF
Publication paged214bf3dd11fca1b8206c1df83c49c3afbb1600cb388e57cf0f3215f1d93c4ca
Manifest03a1061e16ae8a8a3fb62bcbe58a2edcc7c6c7e75671c3d36193b26e84d3abd0

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
SignaturemelQnHGG4Gv50jcQZUgLozDga7dwQ8nT1m8I60oAFJy3fPlcxPGOhtUgB57cqAoCkux1+ooGHE5L/PwoOYtHCA==
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

2026-09-17T10:32:25.011836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067140
observed d214bf3dd11fca1b8206c1df83c49c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.993986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067140/manifest.json
observed 03a1061e16ae8a8a3fb62bcbe58a2edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.977164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067140/publication.md
observed 1fcdfae0fce6ee6805bbb79218b69e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.958277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067140/publication.txt
observed 177fe1b68a4eaba400906eb132294128...
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.