OpenTechnical

OT-2026-000101302

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000101302) never changes.

Identity and time

Publication numberOT-2026-000101302 · never reused
Internal UUID01a0aea3-c379-77f0-81c7-51bc63ed01db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101302
StatusPUBLIC

Content hashes

Canonical text8d003e55857ddd34650b03d22844acd1d5ced192049e7e91c90f41cc22a9a3c9
Markdownc2a0f190c92fd0771d64c2f7ab32e4e38fd9c467765ae1c4f0b73eb5da1a18a9
PDF
Publication pagecb7560425ba6e9da4515fbae5f574f515b2f632742634b712f329b4847e6224a
Manifest920666a80d4b4436691cfe391daa031c00f5d903e27072da2c9ed67c581fb844

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
SignatureczKk1eWLqeywC90Pcrapbl/NHxv8ZDlHICdQV6QiplPFSk+I/WQdY3ipzepwyDmkolYBoHK281+tf3FDo6LBAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:59.228529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101302
observed cb7560425ba6e9da4515fbae5f574f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:59.212134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101302/manifest.json
observed 920666a80d4b4436691cfe391daa031c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:59.194488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101302/publication.md
observed c2a0f190c92fd0771d64c2f7ab32e4e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:59.176307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101302/publication.txt
observed 8d003e55857ddd34650b03d22844acd1...
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.