OpenTechnical

OT-2026-000086557

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000086557) never changes.

Identity and time

Publication numberOT-2026-000086557 · never reused
Internal UUID01a0ae9a-2c98-7c86-8d10-78266c1e0fe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086557
StatusPUBLIC

Content hashes

Canonical text64ed2b14ad7fec32b59ab02531627b75acaea9de56c73f66c405db705898aab5
Markdown3d45f2dc1dd330fe5ed0ced91ccf20a5ab73997e8aba9692549582ea6f744db0
PDF
Publication page8611391376dbb7528226aa7d31985b85574d6c1543f3147db74440882636ffac
Manifest40439a3132a959338b9e5203d29689bd0447c053ebc7de65f0e59f5090362796

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
Signaturebh2GnyVxm3vLTDeAXrF6SlzfR+pLM/NSFVYWo0GkcdX5lDDjSXgbIS5TVmuRxkUk7kFEWpbAPbr0NHxPIZggDg==
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

2026-09-17T09:52:23.467567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086557
observed 8611391376dbb7528226aa7d31985b85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:23.450097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086557/manifest.json
observed 40439a3132a959338b9e5203d29689bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:23.432969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086557/publication.md
observed 3d45f2dc1dd330fe5ed0ced91ccf20a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:23.414559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086557/publication.txt
observed 64ed2b14ad7fec32b59ab02531627b75...
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.