OpenTechnical

OT-2026-000045919

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000045919) never changes.

Identity and time

Publication numberOT-2026-000045919 · never reused
Internal UUID01a0ae7d-8f86-729e-892e-06741dd8d765 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045919
StatusPUBLIC

Content hashes

Canonical text442ea6d354b611c917fbc72ac65601c7c4f91a32afb48f87608c90dd230051ab
Markdown6ba84af292e55dbbf388984fca62a72328c3786780e67ae6e508cf5f5d75d412
PDF
Publication page372ae54e3790a0a33a63dc7586bae886c8b10ccd037bdbdf889cf65461c8f8df
Manifesta561217b8f5075b234ce9327745c3ba518f785f7d1224375865b7a774ebba6c1

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
SignaturewwNt1EWOEt6SimKBOEbmgKtApbFQGl97e/z+puzbDJqvA9fAddiYwq4YWLZ1wEbfQYJaR+8AGa195Ku7KdF5AQ==
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

2026-09-17T11:09:49.375448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045919
observed 372ae54e3790a0a33a63dc7586bae886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.356903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045919/manifest.json
observed a561217b8f5075b234ce9327745c3ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.339493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045919/publication.md
observed 6ba84af292e55dbbf388984fca62a723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.318093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045919/publication.txt
observed 442ea6d354b611c917fbc72ac65601c7...
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.