OpenTechnical

OT-2026-000090651

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000090651) never changes.

Identity and time

Publication numberOT-2026-000090651 · never reused
Internal UUID01a0ae9c-7f30-7b2e-9cde-e8952b594511 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090651
StatusPUBLIC

Content hashes

Canonical text6b630caac45fe9bc875e85d224e9c37f115cea6a50a1fed8be608f7a9db5f67a
Markdownf919198f1ddf668558490353b1b2d83ece05dc82fb2ec34eae5e207b038d2121
PDF
Publication page7f76959d106acd2474d50c7f74343380dbd8e8b9d71a028945089d655673d9d1
Manifestaec6de62eb22d9d911cb209aff9eeaf6269bb9962789c6d1219ba8ad4709e2a4

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
SignatureToXNkseK6Efb+SMRLc+ibpNuizUtpsOTqMMgev8k7fPSL6Q5RFdL2yh5ODihQ2QcQAl+dDfbaTJcqKsPCgofBA==
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

2026-09-17T09:44:50.410811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090651
observed 7f76959d106acd2474d50c7f74343380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:50.393879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090651/manifest.json
observed aec6de62eb22d9d911cb209aff9eeaf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:50.376808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090651/publication.md
observed f919198f1ddf668558490353b1b2d83e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:50.359044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090651/publication.txt
observed 6b630caac45fe9bc875e85d224e9c37f...
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.