OpenTechnical

OT-2026-000099951

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000099951) never changes.

Identity and time

Publication numberOT-2026-000099951 · never reused
Internal UUID01a0aea3-1473-73be-95cd-c0f6d1c3e469 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099951
StatusPUBLIC

Content hashes

Canonical textca2f7f60620d9cc132de51706fb43fb1ae7cf96f8caef0744e2c182a88ea6ab9
Markdown2d4d920e7acbfade393c994e888567697959f480f59a5ccba3288183cd4feb6a
PDF
Publication pagecacf9bc2c634bd8b96f34be09a8ddbde4abba86abad2df6e5a1df1ef1d7f374d
Manifest9f40f2848d53664f42c4f494b8893218ccec769b5220550f29268c0bc6164049

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
Signature6qY0urCRfrClKJD1+PA2LHcfQBHrfA9KUcCVnH/MXwEVtVjyrYVieyhSQo6zsYqCbE3Eatjw9MnybkTDvkJVCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:36.232383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099951
observed cacf9bc2c634bd8b96f34be09a8ddbde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.213021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099951/manifest.json
observed 9f40f2848d53664f42c4f494b8893218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.194434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099951/publication.md
observed 2d4d920e7acbfade393c994e88856769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.173783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099951/publication.txt
observed ca2f7f60620d9cc132de51706fb43fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:51.761850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099951
observed cacf9bc2c634bd8b96f34be09a8ddbde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:51.745225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099951/manifest.json
observed 9f40f2848d53664f42c4f494b8893218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:51.728539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099951/publication.md
observed 2d4d920e7acbfade393c994e88856769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:51.710348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099951/publication.txt
observed ca2f7f60620d9cc132de51706fb43fb1...
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.