OpenTechnical

OT-2026-000095161

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000095161) never changes.

Identity and time

Publication numberOT-2026-000095161 · never reused
Internal UUID01a0ae9f-8f6e-7c88-b80a-ee5168262689 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095161
StatusPUBLIC

Content hashes

Canonical text3ae8d163c69b79c54bd6e49b824ba8243c9aba093fe77322b4b87c329b0e6c27
Markdown5302e1c61f62292fda3361c208f43b1d09f4295a8a8f1acede5f45ba524ee30b
PDF
Publication page7f901bcbcbaed3d30540ecef14081d283188c43cb099591db3675aecffa07b66
Manifestd8dc840130b415744e3704b05763483fedee9e8b3b896de21ef9593a3c89dd6d

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
Signature8LAsqU0JHoHeMqRwfX1F/zm6oATE3ZNh37G/nF6g1+NB2wg5cGLrCQ4fOlpfvqwAh4Bwtw//NezBGyO3p1SYDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:27.798749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095161
observed 7f901bcbcbaed3d30540ecef14081d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:27.780690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095161/manifest.json
observed d8dc840130b415744e3704b05763483f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:27.763386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095161/publication.md
observed 5302e1c61f62292fda3361c208f43b1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:27.744469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095161/publication.txt
observed 3ae8d163c69b79c54bd6e49b824ba824...
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.