OpenTechnical

OT-2026-000084273

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000084273) never changes.

Identity and time

Publication numberOT-2026-000084273 · never reused
Internal UUID01a0ae98-5b60-70a2-b28a-2b64929a67b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084273
StatusPUBLIC

Content hashes

Canonical text0c0488384a084c1ca394dc387dff5a03e7494b2777ffa984d789a60035ca826e
Markdown43ddccaab7ccb4624c020ddbcd87a29aa1e16460d035e8dc38a97d866274933b
PDF
Publication page45b97f1b74969d685101b13f3a7425dd9a5cc994019ad0498006a1bb8a486bf8
Manifest90bfc344d04996587a5aaf3b9695ce9032d059dccc06beac07da3c02784333c1

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
SignatureP5nWTe93/kTNdnTELcMfgj/wIxtocoznBK0QdYjDc1jRhvpgKPN+R/+X8AGoX9S5NwKbBqZSiaXDsuvcMZHZCA==
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

2026-09-17T09:56:11.413644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084273
observed 45b97f1b74969d685101b13f3a7425dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.394853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084273/manifest.json
observed 90bfc344d04996587a5aaf3b9695ce90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.376359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084273/publication.md
observed 43ddccaab7ccb4624c020ddbcd87a29a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.357926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084273/publication.txt
observed 0c0488384a084c1ca394dc387dff5a03...
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.