OpenTechnical

OT-2026-000042128

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000042128) never changes.

Identity and time

Publication numberOT-2026-000042128 · never reused
Internal UUID01a0ae7a-5d71-7705-9895-3c1d88d98eaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042128
StatusPUBLIC

Content hashes

Canonical text5095da60d5c4bb119749adea4d81d8ffceb0d702e23baf83498f229fef203cbb
Markdown7df5f26cec0079bd0f6e52f04d6bc9fc103d1dcf948b78725379f5c91f45b48c
PDF
Publication pageafc2a23374f85bef4bb7dc953588e83fc2a5702a2b6b2d490ed51b506102f8de
Manifest8b3c3fff5e086fd06a426e03f2fcaceed4a29099abf4d9b88dbc87400d9d4bd9

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
Signature6KHEjQAyKW1NC0kN8G2MgV7D5jeruRnf6cMeKwzuXOtyk0TXwWVyUenXduWwv6EXyUVL6sGZEYZK+K4B77jyBg==
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

2026-09-17T11:15:40.416927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042128
observed afc2a23374f85bef4bb7dc953588e83f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:40.397929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042128/manifest.json
observed 8b3c3fff5e086fd06a426e03f2fcacee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:40.379751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042128/publication.md
observed 7df5f26cec0079bd0f6e52f04d6bc9fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:40.362039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042128/publication.txt
observed 5095da60d5c4bb119749adea4d81d8ff...
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.