OpenTechnical

OT-2026-000084423

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000084423) never changes.

Identity and time

Publication numberOT-2026-000084423 · never reused
Internal UUID01a0ae98-5b62-78b4-9cec-e59f70050ce6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084423
StatusPUBLIC

Content hashes

Canonical text0b008e4ae50ce9ede1b87ad9941295769bc1fb96287e3aa87308ecda9ba8b1e0
Markdown4042d024eade1f4cebf29a659383daec0cee4a0017f5fcc17faea5430a2a5f47
PDF
Publication pagedaf1f9fe61b1aae0986d65055dca42749404a81bd92e565692ddf3901075e61a
Manifest2f2f0d18714bc415ac561d356925cd035cc7af56d422e1f90c63432318928649

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
SignaturecbYzr+m38TfzhBgUJV1dF781nvq6PAhrUoGf3fmn5ovYGg/UlNs8aOMwapMQLyo6bnmjdiZJiVJs1yKOs2QxBg==
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

2026-09-17T09:56:22.417167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084423
observed daf1f9fe61b1aae0986d65055dca4274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.399809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084423/manifest.json
observed 2f2f0d18714bc415ac561d356925cd03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.383452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084423/publication.md
observed 4042d024eade1f4cebf29a659383daec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.366411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084423/publication.txt
observed 0b008e4ae50ce9ede1b87ad994129576...
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.