OpenTechnical

OT-2026-000046839

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000046839) never changes.

Identity and time

Publication numberOT-2026-000046839 · never reused
Internal UUID01a0ae7e-d0f5-7a78-9c74-d2b117edb1bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046839
StatusPUBLIC

Content hashes

Canonical textf2551505fc54b5b7cec56fe504be3eb53d18cfb0da151c1616bd27dcc203597f
Markdown534bdf120642df3524e4e24d99e1d59c5cd84a42a3a196581adc7cc4a097914b
PDF
Publication page10dde1d14c52a7547fa83057cf38822ebe3bf9bd4e260bba134411c5c89a7248
Manifestd1ef3f499390f4af6672a5b3778fa6825440ef237aa99dceca25cc9554b98098

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
Signaturex7hmCTYUJFAAf+hzTPNdZ8vFFxSYVY5cUt1xhvcUXUUawAmvk3dQ1BFcEintSBJ/gzsMpCOuOIXmDOiL/GW3Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:56.257873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046839
observed 10dde1d14c52a7547fa83057cf38822e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:56.241260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046839/manifest.json
observed d1ef3f499390f4af6672a5b3778fa682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:56.222342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046839/publication.md
observed 534bdf120642df3524e4e24d99e1d59c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:56.204469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046839/publication.txt
observed f2551505fc54b5b7cec56fe504be3eb5...
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.