OpenTechnical

OT-2026-000087364

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000087364) never changes.

Identity and time

Publication numberOT-2026-000087364 · never reused
Internal UUID01a0ae9a-cd4f-7237-8968-8e08759988ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087364
StatusPUBLIC

Content hashes

Canonical text82731b9317d45e0c14c8db912f57fb43a749ef9b4197c04bc49902068676ad87
Markdownf5e70d6f1e6b3f9e85f03f495e8a88333e2e5c35c32c4cb774bcab3805f6f83d
PDF
Publication pagefbb5a3851421e9a0734c1ec4a3655029d805296edba1fab43b896582b0896fdf
Manifestacff024e895a6d4da6a3d2c7a7523da2233cb6bb55f7b7888079cea401be0182

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
SignatureMZlk1ErtmtcsQMe3G5DTcNAEnNO9LAUYYOYDrx2kpHWYOaX8p40KmMN2l7VYUo+NF/V9Tt+6Yp1o7360vFXECQ==
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

2026-09-17T09:50:32.698231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087364
observed fbb5a3851421e9a0734c1ec4a3655029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:32.680133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087364/manifest.json
observed acff024e895a6d4da6a3d2c7a7523da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:32.663189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087364/publication.md
observed f5e70d6f1e6b3f9e85f03f495e8a8833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:32.645921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087364/publication.txt
observed 82731b9317d45e0c14c8db912f57fb43...
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.