OpenTechnical

OT-2026-000081397

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000081397) never changes.

Identity and time

Publication numberOT-2026-000081397 · never reused
Internal UUID01a0ae96-f375-71bf-8cde-8d6851f3c869 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081397
StatusPUBLIC

Content hashes

Canonical text5d0c122de34b9cbf4f72f12cfa2dc49ec32917d66a1a5b60e893556094aa7a38
Markdown777add9a2c6c3e8ce5aa5faf95c71bfdb94c46e3c79eec27e76c6d5256a937ee
PDF
Publication pageb3fcb808962ad0d8706723aaf12d652f702453b81c8d07706ba156df0faefa6b
Manifestc1f7f22940d86f1b6debca061a1d98cea1e594545a49cb39e9d6c61e410d0bbc

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
Signature6Ka8fSasstMmHJgW3ghHP4JIEyq+kG70QRWF6AY7ExPK2/7szNYFRpZkToyRm722iAIdtEhc85RMLB/LjfYCDg==
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

2026-09-17T10:01:32.440046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081397
observed b3fcb808962ad0d8706723aaf12d652f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.421896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081397/manifest.json
observed c1f7f22940d86f1b6debca061a1d98ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.404446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081397/publication.md
observed 777add9a2c6c3e8ce5aa5faf95c71bfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.387816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081397/publication.txt
observed 5d0c122de34b9cbf4f72f12cfa2dc49e...
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.