OpenTechnical

OT-2026-000084596

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump 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-2026-000084596) never changes.

Identity and time

Publication numberOT-2026-000084596 · never reused
Internal UUID01a0ae98-e25b-72b3-9fc6-bbceb09f49e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084596
StatusPUBLIC

Content hashes

Canonical textd03df5713902165bd74d11bf78e584e391cd936a5a017b9fd324a24c69386f4f
Markdown9eeabcf0ada5520b01f8fb343f5ad2360c49c5572dbec52643c110f126b51a32
PDF
Publication pagee25729978da24c6ddd7ec3a499d0cfa96b57ff1c83bba9bf872bd64f46b8bebb
Manifestd0049b4749f6aa0052c7a768e71294822c79d7ba5017e0e14a0839dfcffb5bd1

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
SignaturetzKX9eGfz76nsAyPQqvEddRYN8t6Eo1PsieiqF1dXRGfqGQySYpbNFk1fGBBxKs5ERCsIT1sokjmpgwDOyl0BQ==
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

2026-09-17T09:55:30.075188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084596
observed e25729978da24c6ddd7ec3a499d0cfa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.055519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084596/manifest.json
observed d0049b4749f6aa0052c7a768e7129482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.037958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084596/publication.md
observed 9eeabcf0ada5520b01f8fb343f5ad236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.019713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084596/publication.txt
observed d03df5713902165bd74d11bf78e584e3...
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.