OpenTechnical

OT-2026-000068931

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000068931) never changes.

Identity and time

Publication numberOT-2026-000068931 · never reused
Internal UUID01a0ae90-6dcc-7a85-b1b3-40a45d4dba6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068931
StatusPUBLIC

Content hashes

Canonical text3d8c3b8e67003b74c7d2d00bd7fecd5eb961fdac9992f48ebef17f46f4e0a2f0
Markdown361119c670499622020ecd9ac203fcce5a629006fc43b2240bd4dd3c3b1687be
PDF
Publication page4dee0aa6f3ad4a5552c00c42955b9ccc88eef0685d270bd558a3f2b9da1e2076
Manifest7956a177578b8501d032c5fcb352b9302075cab4da032c1eedb794c1f9d6b249

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
Signature7PcVHIjBpb2gWLAxbUpGB5rt/ab4ZS0Xu8fHwZ1rQc1FSfOXPpdhN6L7I5DKpyDu2tz9YCffad8xs1VHT8ouBg==
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

2026-09-17T10:28:45.648987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068931
observed 4dee0aa6f3ad4a5552c00c42955b9ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.630893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068931/manifest.json
observed 7956a177578b8501d032c5fcb352b930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.612109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068931/publication.md
observed 361119c670499622020ecd9ac203fcce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.593374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068931/publication.txt
observed 3d8c3b8e67003b74c7d2d00bd7fecd5e...
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.