OpenTechnical

OT-2026-000065321

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000065321) never changes.

Identity and time

Publication numberOT-2026-000065321 · never reused
Internal UUID01a0ae8e-1dfa-7743-898b-ffd930c05660 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065321
StatusPUBLIC

Content hashes

Canonical textc46ce7228dc2375be50d3a85678fa7fc5c8431a390922feea9d5c3a09f3e284a
Markdown5843b256830cf364bbc4f00840a90f76d0f9794bb68e196922d9005586139f3a
PDF
Publication pagef6e28eb88dd8a0d6150a6b15f8018176449f572195ef5ae04e352eebf5bb5e5f
Manifest5bbf3fff249075ef5196010e45571e6817a68022908e4e32ebc69674e6c16a6a

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
SignatureoNlnjA9UtFGKRwrjXF9jLO+5UQDykVRNWyqv8lVxUpLZduZEKAXqbrFvyIHCx9rX0XKdVarH1sYKvPTF1FeTAA==
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

2026-09-17T10:35:17.958110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065321
observed f6e28eb88dd8a0d6150a6b15f8018176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:17.940287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065321/manifest.json
observed 5bbf3fff249075ef5196010e45571e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:17.923286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065321/publication.md
observed 5843b256830cf364bbc4f00840a90f76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:17.905414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065321/publication.txt
observed c46ce7228dc2375be50d3a85678fa7fc...
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.