OpenTechnical

OT-2026-000080933

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000080933) never changes.

Identity and time

Publication numberOT-2026-000080933 · never reused
Internal UUID01a0ae96-b975-778f-bd6a-600ac26c6201 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080933
StatusPUBLIC

Content hashes

Canonical text4b1d133f433a0bb19cbdc946c6a420acf0dad5c7b58aa698675bd7949ef873ca
Markdown9302c80084b42cdaf14de411a21c3e99d940892c8a9145fd5dd68ff43aa2d023
PDF
Publication pagee544311b2cc40699d6079789e1fbff66b1236f70d7bbb84841a50ef2f986b6a6
Manifestd68c68c3ed04317a0d1c4f7960017dc1a7de13170a90ea074fa83b41bb4ba12a

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
Signatured+GaVJsZhiFNOB6Uhs4KNaQ0UfF/9q9oyU6swM5jL7c/rxg/26hJyET//UEO6FgJoz5hwtc5mpd4/kM3uiidBA==
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

2026-09-17T10:02:08.339346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080933
observed e544311b2cc40699d6079789e1fbff66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.321189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080933/manifest.json
observed d68c68c3ed04317a0d1c4f7960017dc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.302774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080933/publication.md
observed 9302c80084b42cdaf14de411a21c3e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.285177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080933/publication.txt
observed 4b1d133f433a0bb19cbdc946c6a420ac...
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.