OpenTechnical

OT-2026-000085440

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000085440) never changes.

Identity and time

Publication numberOT-2026-000085440 · never reused
Internal UUID01a0ae99-aaab-79df-8a45-14cd8c286bfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085440
StatusPUBLIC

Content hashes

Canonical text79e526e2f3a51c340e524af6cdc419f78dcd9dcf58449c5f21a99d49b6850652
Markdownbadd84e64381d3bcfc6ed4f1bd420757d85a827a528ab2ac0c927a5611ecb264
PDF
Publication pageed25c96f96f5db759a8595ab43b2346b49afa8160ca26eff907122655407b0db
Manifest812c147705ee8978080c6c9a59dcc34bf439ee9cbd3852c9ec771ea305e2ba43

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
SignatureGSriLbTsQGDvV4mAzJtkkdJoGFxRgaQdUSEq5OLfdgLUkDTgXhUEtyi9zBAu4jA8i3Ur3UdixKun0NSn9VLVDw==
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

2026-09-17T09:54:13.481858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085440
observed ed25c96f96f5db759a8595ab43b2346b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.463869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085440/manifest.json
observed 812c147705ee8978080c6c9a59dcc34b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.443943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085440/publication.md
observed badd84e64381d3bcfc6ed4f1bd420757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.426757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085440/publication.txt
observed 79e526e2f3a51c340e524af6cdc419f7...
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.