OpenTechnical

OT-2026-000085140

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000085140) never changes.

Identity and time

Publication numberOT-2026-000085140 · never reused
Internal UUID01a0ae99-43b9-7e64-afec-32174b5916c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085140
StatusPUBLIC

Content hashes

Canonical textb04f02b162847554b459fd6395072ba5303b2fb8ab4b5d4a047274a7130177a4
Markdown5d9fc9d930754bd8eabe91ad3965282c419dfffcf0a475f24c84d4de9cd9425e
PDF
Publication page76c23e7739d19369c3ba245b0d9b620d5812177cd10d7c3545d23c8d801894ee
Manifestc5e9719ae861b5d2d69e074f8c0efa1718baf5318d912cda63de260b2f042135

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
Signature6GvnbTfE8wpV9VUFxYTk183JzBThW6F4T98T3RcJ4m1q/l8RtqFM3X0g3cL33GHH+rQEvWzfPLc6XbIU7W2OAA==
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

2026-09-17T09:55:13.093027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085140
observed 76c23e7739d19369c3ba245b0d9b620d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.074988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085140/manifest.json
observed c5e9719ae861b5d2d69e074f8c0efa17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.058718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085140/publication.md
observed 5d9fc9d930754bd8eabe91ad3965282c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.018544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085140/publication.txt
observed b04f02b162847554b459fd6395072ba5...
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.