OpenTechnical

OT-2026-000075031

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000075031) never changes.

Identity and time

Publication numberOT-2026-000075031 · never reused
Internal UUID01a0ae93-ac2e-7ea8-9477-b9ff554fd1ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075031
StatusPUBLIC

Content hashes

Canonical text9fe355588a0462a782fbd23fc2bad922555591327e2e31597160733c97f51c3d
Markdownfe0de8ee0812bfa7b97fa68ce99ccd373042e76fd7606d2b0df5be5f190d9c3f
PDF
Publication pagee3b3910902c8b3f303897aa5b902a9d44262f0be7931dfad6bc1b25759cb8490
Manifestc46597470e20984a3f73720fc8d296108cc12ca133065fa48fdadb28aabd7f56

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
SignaturexieKuP4MFFcXr5wAkOyv4g5VRrxQtDn0HhV8UkBbWctHysXaUA4S1btecu216964FVFRG5iikyz55eu9+qaRCg==
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

2026-09-17T10:18:50.644545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075031
observed e3b3910902c8b3f303897aa5b902a9d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.629033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075031/manifest.json
observed c46597470e20984a3f73720fc8d29610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.611855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075031/publication.md
observed fe0de8ee0812bfa7b97fa68ce99ccd37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.594647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075031/publication.txt
observed 9fe355588a0462a782fbd23fc2bad922...
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.