OpenTechnical

OT-2026-000079419

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000079419) never changes.

Identity and time

Publication numberOT-2026-000079419 · never reused
Internal UUID01a0ae96-0b91-7139-bb90-729552cd454d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079419
StatusPUBLIC

Content hashes

Canonical text8473bef8dabbefc828875ec923adfdae3dc669af3e14822651ca4a896acab6c1
Markdownddeb77fe8baecaa01e58de444a928f246ab3abd612d750b8a21fa28f03e03211
PDF
Publication pageb70dc1c4761a8ded1a4e6b14e51cb666c4d8aee66ce04fbc9d104d7382761d76
Manifest007c8d16c2443b8df75d10ef188c27238c8fa553d44e1f795ea55836b46fa519

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
SignaturekdquewYB062+qUP93988DdPV4zXQqRw9MHkqHN2qFi4pmCQXTtUyw+8C5SHiTZL0fKPniPfVVvRhikJdM0D3AQ==
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

2026-09-17T10:05:02.654104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079419
observed b70dc1c4761a8ded1a4e6b14e51cb666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.635776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079419/manifest.json
observed 007c8d16c2443b8df75d10ef188c2723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.618447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079419/publication.md
observed ddeb77fe8baecaa01e58de444a928f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.598087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079419/publication.txt
observed 8473bef8dabbefc828875ec923adfdae...
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.