OpenTechnical

OT-2026-000090599

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000090599) never changes.

Identity and time

Publication numberOT-2026-000090599 · never reused
Internal UUID01a0ae9c-7f2f-7c33-bc6e-079410f6ccf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090599
StatusPUBLIC

Content hashes

Canonical texte390794be15d42e32b35a3e144ae2866464ead8df9e8e56c028eaae0e20f6426
Markdownd1b208cc71b74608a9e54804c568f012eb4f0c22ff9c84ee23dcf8882117c358
PDF
Publication page0e5fd5bf1df8f2e23fb9669df25eeae9a355a90386ac63245be48425c9369edd
Manifestfb905ff4d5f367a3214d5d0bd9389e384852d909031395a629c0e00c37a0b51b

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
SignaturexrjdRt069qwMugHcb26TDU07PIByl9DGqKfd0f71fnpcPO+p0ikNw4Tdl3DiL/oGViKHAFfDpYhmcmGCfeLQDQ==
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

2026-09-17T09:44:47.040125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090599
observed 0e5fd5bf1df8f2e23fb9669df25eeae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.023052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090599/manifest.json
observed fb905ff4d5f367a3214d5d0bd9389e38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.006560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090599/publication.md
observed d1b208cc71b74608a9e54804c568f012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.987925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090599/publication.txt
observed e390794be15d42e32b35a3e144ae2866...
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.