OpenTechnical

OT-2026-000083981

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000083981) never changes.

Identity and time

Publication numberOT-2026-000083981 · never reused
Internal UUID01a0ae98-0419-7a5e-94c3-413f92ab0206 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083981
StatusPUBLIC

Content hashes

Canonical textb31ecf436d998be66570f6e8649e7250031217972737d689ba6369ad41656c66
Markdown68c1573d980918e709c1fbb377943fab48f7cd4c89e2bca9f45e670088d06538
PDF
Publication page3a0f021a50b5ec2fff42ab3ae42ff823038527f8dcbd796c43bbc5170c92a7cf
Manifestf1036e7e9d9f0e9f253a24433e61c4233c320888e6853f6900583b46af1b5f19

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
Signature2JfG886P6AnRDN3oOXn7N9jAGDJyPaCTUYCX4IQBKUlsa4po4y5fZKRI69KczssRvAEp8YoYjLmM5ZadeBEKDw==
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

2026-09-17T10:00:30.770814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083981
observed 3a0f021a50b5ec2fff42ab3ae42ff823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:30.752057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083981/manifest.json
observed f1036e7e9d9f0e9f253a24433e61c423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:30.734085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083981/publication.md
observed 68c1573d980918e709c1fbb377943fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:30.714848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083981/publication.txt
observed b31ecf436d998be66570f6e8649e7250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.111137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083981
observed 3a0f021a50b5ec2fff42ab3ae42ff823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.096334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083981/manifest.json
observed f1036e7e9d9f0e9f253a24433e61c423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.081368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083981/publication.md
observed 68c1573d980918e709c1fbb377943fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.066434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083981/publication.txt
observed b31ecf436d998be66570f6e8649e7250...
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.