OpenTechnical

OT-2026-000067121

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three 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-2026-000067121) never changes.

Identity and time

Publication numberOT-2026-000067121 · never reused
Internal UUID01a0ae8f-14ff-7f7b-8538-8a08f85c202f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067121
StatusPUBLIC

Content hashes

Canonical texte41eade01c796f640f3a873d8a72a75bb1b0c50053f8b8d23a1b3d9cd2891d54
Markdowne9895e4879c8fb4343627405d1329ab4a3d794278a50233eed908d85f677a5f7
PDF
Publication pageb0d25cbdf0a35db7aecb127a9e34335e979de2799db56372ff8a901b1dcb9bd6
Manifest1b1bc71dad9fa561da920c349868967394dab428186b0db2e4f3f6b988c8f6d6

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
Signaturez7KD2Tx/K1kV1no3P8qGvCO6eOA/JlXvIrZkJs5SWyGYHs8aDt3UHcqGVvJOP+djFDmRVkHKKK6OfGhw7ggxBQ==
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

2026-09-17T10:32:23.570985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067121
observed b0d25cbdf0a35db7aecb127a9e34335e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:23.556080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067121/manifest.json
observed 1b1bc71dad9fa561da920c3498689673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:23.540165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067121/publication.md
observed e9895e4879c8fb4343627405d1329ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:23.522602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067121/publication.txt
observed e41eade01c796f640f3a873d8a72a75b...
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.