OpenTechnical

OT-2026-000081965

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000081965) never changes.

Identity and time

Publication numberOT-2026-000081965 · never reused
Internal UUID01a0ae97-0f77-76c7-a948-57c44d081da1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081965
StatusPUBLIC

Content hashes

Canonical textfab68da4ab79064bff606bc9569b39cf3f681bce2a7c7b52ca3885f5ef2dacd1
Markdownb8cddb723a05b3ed4753275d5bf5e7eddebe015bfd63a09ed0f62f7608704a93
PDF
Publication pagee01ee36c1b4c6e639559bd1f5913514e8dcea9763656b089cfeef6e5f4de9c41
Manifestecfafe0994791fd8101ec4b5088064a4a037b767a00113ecc59719883a4c3576

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
SignaturerzAMQHIRG2k7p6U5DX4xR+ntvinqQEOSchVBJuGBZDuKTl7zuQa9QZJGvB7U24CBeldFyRWUt55SSvLigW6BAQ==
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

2026-09-17T10:01:06.165179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081965
observed e01ee36c1b4c6e639559bd1f5913514e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.148011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081965/manifest.json
observed ecfafe0994791fd8101ec4b5088064a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.130765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081965/publication.md
observed b8cddb723a05b3ed4753275d5bf5e7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.113153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081965/publication.txt
observed fab68da4ab79064bff606bc9569b39cf...
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.