OpenTechnical

OT-2026-000089686

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089686) never changes.

Identity and time

Publication numberOT-2026-000089686 · never reused
Internal UUID01a0ae9c-1a22-77df-9fbd-00e0b37c10b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089686
StatusPUBLIC

Content hashes

Canonical text0087c492fff77d924eb49d620eb0caca70d94e26d6780893ca35b911f144f138
Markdownca36de3c9eb16180439227515a45ab17ec054fa29742551e137ec26c129de97f
PDF
Publication page895c59be72557482f62f5740c9648b7b16f26ee4c4bd6ebbaa6e7e7a36b6cc87
Manifestd0cf240e7efdff460eb9ee7761795d11a8514b8a0fa1937084191aaa79774ff6

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
SignatureBduGVv1RzLKFAAtFpbcI+rv967kHpHe709Jsd3kvQwSi3dE7KcDXZqpTTBdWFEwsAnHozCsloVvJ+Sq8Xp4JCw==
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

2026-09-17T09:46:41.058558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089686
observed 895c59be72557482f62f5740c9648b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.041141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089686/manifest.json
observed d0cf240e7efdff460eb9ee7761795d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.022663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089686/publication.md
observed ca36de3c9eb16180439227515a45ab17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.004675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089686/publication.txt
observed 0087c492fff77d924eb49d620eb0caca...
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.