OpenTechnical

OT-2026-000077937

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000077937) never changes.

Identity and time

Publication numberOT-2026-000077937 · never reused
Internal UUID01a0ae95-2ed1-74dd-b356-4b1a20e0c84d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077937
StatusPUBLIC

Content hashes

Canonical texta6e6a6160bef32d52b61d028f70c60268d66aa538922b161cd8949584f8965e2
Markdown301973b63e76c764d1ea7da363eb261d77227c2f16c91bfea55ddbd15817aa82
PDF
Publication page958d460a8597291ee10a5222b7b872899f89843259fd876ec26b64dd6c116b40
Manifest1fb9382b8099c08f802fb6a31a211c139b8eaba071f8684fb2a0a9c49b3f0b1b

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
Signatureb/cMxk9VmHp2tLVN0rrfH6eW3Ci/p2FoaKkWn3C7Z8DO3F2BljXrc/kYq7L89230C+F85L74m8Mb0Gk9pGeDAw==
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

2026-09-17T10:10:14.743276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077937
observed 958d460a8597291ee10a5222b7b87289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.723280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077937/manifest.json
observed 1fb9382b8099c08f802fb6a31a211c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.702923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077937/publication.md
observed 301973b63e76c764d1ea7da363eb261d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.560507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077937/publication.txt
observed a6e6a6160bef32d52b61d028f70c6026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.004262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077937
observed 958d460a8597291ee10a5222b7b87289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.983310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077937/manifest.json
observed 1fb9382b8099c08f802fb6a31a211c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.963345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077937/publication.md
observed 301973b63e76c764d1ea7da363eb261d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.941271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077937/publication.txt
observed a6e6a6160bef32d52b61d028f70c6026...
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.