OpenTechnical

OT-2026-000089239

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line 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-2026-000089239) never changes.

Identity and time

Publication numberOT-2026-000089239 · never reused
Internal UUID01a0ae9b-db00-7564-acb7-05eda7b5f7c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089239
StatusPUBLIC

Content hashes

Canonical texte61605b603caaf8c4be0c80ce414a6a580323cba5347ebe463eb4d36ea53be82
Markdown221fbc04dab945eb1308973cc9c6bc44a3133f1570b0d6324b7413458c863b73
PDF
Publication pageef0137809a31814cee1e846e51e29e423479a4764ce12260e11d7aad972f1dcf
Manifest4f486e1b08f010496798bb89842779003200ce7fd57c99eaa016b1ecdccf0ba8

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
Signature+js2Rxoqi66R75KfobC6EdUGiYiaxGM9oDl4OpqZjTX9qJE4BFFpqxgZ7l72xbqH69k1MU1ymRglMjFqYKJRDA==
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

2026-09-17T09:47:16.166538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089239
observed ef0137809a31814cee1e846e51e29e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.148723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089239/manifest.json
observed 4f486e1b08f010496798bb8984277900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.132624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089239/publication.md
observed 221fbc04dab945eb1308973cc9c6bc44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.115218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089239/publication.txt
observed e61605b603caaf8c4be0c80ce414a6a5...
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.