OpenTechnical

OT-2026-000090164

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000090164) never changes.

Identity and time

Publication numberOT-2026-000090164 · never reused
Internal UUID01a0ae9c-428f-72e7-bb3e-98b2bf653d0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090164
StatusPUBLIC

Content hashes

Canonical texteb2fde832aa74e1f2ecc1cb808f10ab5c13ff494859f02bcc98e03a8b61310d1
Markdown6ddbbe81b4bbbecf54deec5af46ee911569b16fef3ae5442221def441d8a1221
PDF
Publication page28024231caeb67ba00e0747e1617105be375a110502fcf1dd285ed5a8cc1c1de
Manifest87d8cd3471def9961c062bf813bffad6bba3e3e7170424e81e627934ab296f4d

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
SignatureDPeFAYBl5T8K5RkSvH30S3AjLYQuP8/lZ2WXufchrn6Tx34ITfY5SIKc0KuNUQIblahh2dRIS4F8fpzCD4+KAA==
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

2026-09-17T09:45:41.002141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090164
observed 28024231caeb67ba00e0747e1617105b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.984476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090164/manifest.json
observed 87d8cd3471def9961c062bf813bffad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.950604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090164/publication.md
observed 6ddbbe81b4bbbecf54deec5af46ee911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.918512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090164/publication.txt
observed eb2fde832aa74e1f2ecc1cb808f10ab5...
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.