OpenTechnical

OT-2026-000085934

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000085934) never changes.

Identity and time

Publication numberOT-2026-000085934 · never reused
Internal UUID01a0ae99-e82a-7732-b973-596b329c2ae7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085934
StatusPUBLIC

Content hashes

Canonical text5f50a649f36da92f564fd3673514a421c4ed17f44503d06cb4406c24bcbe1a84
Markdown859cc226904228e39a1d7b5db2ee3a8b1a4633d9c3d7f3fe38c81e27b109e16f
PDF
Publication pageb46d1c5aa0f85657e9dc87a7bfd34371838c837258c04bd91f7a330db5bbc2aa
Manifestff3be08a3dff1a750d0a455fcfdc3c7ea254522bd4cf3123f8a41d05d94bf857

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
SignaturedHS9ph/X8Zzb1uZXPPdvr9H2hNuhhH9LbCHXrq8ZtV1ibK29I6u3JDX86vFqF+0v+Gs0VktNPXibLxHVwI7/Cw==
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

2026-09-17T09:52:53.330147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085934
observed b46d1c5aa0f85657e9dc87a7bfd34371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.311946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085934/manifest.json
observed ff3be08a3dff1a750d0a455fcfdc3c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.293361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085934/publication.md
observed 859cc226904228e39a1d7b5db2ee3a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.275586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085934/publication.txt
observed 5f50a649f36da92f564fd3673514a421...
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.