OpenTechnical

OT-2026-000064235

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000064235) never changes.

Identity and time

Publication numberOT-2026-000064235 · never reused
Internal UUID01a0ae8d-a460-7f8b-a9a8-3f8b50ba1595 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064235
StatusPUBLIC

Content hashes

Canonical text2dc251351352e26052cd023d88ecdb72d758c4f2a56f4886b3cdb03df1c840ec
Markdown86d423a6c5a088ecdd7a0650f492011e4ecfcfb4b0e926e246f713ef6ad187da
PDF
Publication page4034859711378e33ea5623ddc56a90b4b0635d184e580cd58c4bf1dd8b5f70ba
Manifest46a1b61c14e03e20c4f26095ad094b108837673f43b09d0649e4e862020abac8

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
SignatureWJrto0cTyzu8rFFAy0b7oBF5iUfPnMW0rTt0R2YapjZe0UUWimauvVHkB3xblwBCGAunhmKZvFRyivi8bpKCBg==
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

2026-09-17T10:36:21.736551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064235
observed 4034859711378e33ea5623ddc56a90b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.719156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064235/manifest.json
observed 46a1b61c14e03e20c4f26095ad094b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.702265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064235/publication.md
observed 86d423a6c5a088ecdd7a0650f492011e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.684605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064235/publication.txt
observed 2dc251351352e26052cd023d88ecdb72...
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.