OpenTechnical

OT-2026-000042323

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000042323) never changes.

Identity and time

Publication numberOT-2026-000042323 · never reused
Internal UUID01a0ae7a-5d74-7a4b-89b6-0e0333a4ba3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042323
StatusPUBLIC

Content hashes

Canonical textfff226994a2b1f8cb51fceae865ec59b816ada5120c6b345ae485305454aea34
Markdowna0eef8ccd4134050eb3af0fd02c8417a96c684e0cc85f881597ee34245f71104
PDF
Publication page636a85f9edc31c6ee023e2050918189d08603a480ba25532d9e34fdf603a7213
Manifestb34fe50ce648bdddef52a47eb721fde3f450eed5d61d0769b214f00cfc50679f

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
Signature4J23aBFqWMtNBc6xTbNVuhVwk0CjhRrZx0dUX2R1zlW6OsYI5oTEw/ZdtatB2ySJJ9z4UwpNc6DUqsqc/IvnBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:01.633880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042323
observed 636a85f9edc31c6ee023e2050918189d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:01.616468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042323/manifest.json
observed b34fe50ce648bdddef52a47eb721fde3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:01.599958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042323/publication.md
observed a0eef8ccd4134050eb3af0fd02c8417a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:01.582129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042323/publication.txt
observed fff226994a2b1f8cb51fceae865ec59b...
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.