OpenTechnical

OT-2026-000085500

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000085500) never changes.

Identity and time

Publication numberOT-2026-000085500 · never reused
Internal UUID01a0ae99-aaac-7290-a08f-a4bf00b226a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085500
StatusPUBLIC

Content hashes

Canonical text9e317acacc5fbc1ba43091b28938407f065e60c71bd1293aa5e7824e03a0620e
Markdown06bd9390423d4a9e7d4f7635d8f8d528754424cc9a86845b4a7d355fbf8dffaa
PDF
Publication page1c5b5049980937b8bcd1cb36740a042309037d58521f5b5bf98aa53a8a2831c9
Manifestc4cd7f8d55206767afbdaa59c13c1c1847253c53fecace42b6d2a944f9bbd595

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
SignatureAtDKIDVJWcPNaCyal+/5jycZgOrOCxqdjNrM9sWuFH7M1l4fJDAc/WKpOhX6psBO0WrmENGTkyn8sfXhUKfOCA==
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

2026-09-17T09:54:18.131114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085500
observed 1c5b5049980937b8bcd1cb36740a0423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.114699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085500/manifest.json
observed c4cd7f8d55206767afbdaa59c13c1c18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.095901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085500/publication.md
observed 06bd9390423d4a9e7d4f7635d8f8d528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.077444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085500/publication.txt
observed 9e317acacc5fbc1ba43091b28938407f...
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.