OpenTechnical

OT-2026-000085612

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000085612) never changes.

Identity and time

Publication numberOT-2026-000085612 · never reused
Internal UUID01a0ae99-aaad-7c2a-a6ad-baa5dc87e3c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085612
StatusPUBLIC

Content hashes

Canonical text11634e4b6496fdc48b33b6ec0828d4ca21edbffff838ea7d74603aac3fac0ca7
Markdown4710fd23f089ac3a954852bdabd1e6784991aea2d4c1269a87f4f20eb52e0857
PDF
Publication page5e44d4375006f38f168106e12bf408e7048d8a8d83770a24a5ce70b132f047bd
Manifestf22a3f94bcf68ea017cb4ca88b68be4ae33835a525bff6a6e118bb1a40861544

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
Signature9an5SU7nQMnU7RCZIU9j+RI2XsGgNJf1pO2LkIurBEptU1mNzt+G8148nkqXa8lbw1NBPnSdSYzsV+NtGl+oCg==
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

2026-09-17T09:54:29.544983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085612
observed 5e44d4375006f38f168106e12bf408e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.528560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085612/manifest.json
observed f22a3f94bcf68ea017cb4ca88b68be4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.510185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085612/publication.md
observed 4710fd23f089ac3a954852bdabd1e678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.488554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085612/publication.txt
observed 11634e4b6496fdc48b33b6ec0828d4ca...
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.