OpenTechnical

OT-2026-000067257

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-2026-000067257) never changes.

Identity and time

Publication numberOT-2026-000067257 · never reused
Internal UUID01a0ae8f-6bd6-79f8-bd42-54ef80eaff3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067257
StatusPUBLIC

Content hashes

Canonical text20bc35e9d9365d1870717a5bb8725de884b06d8790a8b614a8cd55f8daf004e2
Markdown29bee722867e142e0f6eec280c85c46bae9fb28187077ccd3f3baa84cfcec430
PDF
Publication page33e6f020dd05dfba93f559c27572c1d3f7b3654b730c82eb5bf08afd0c5950e3
Manifest703f7792d2a0fe9caa2a723c6fd21f7424d744fe3c365d84c7c9a8c3176e62e1

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
SignatureSEyGT+/qZB+XX+KnO5g7iuOY5Zyyg2zadrMYf/vZqEs1lEU2zQH97wRge/iChC8GHE9mbNRddXfb84T2ZPlFCg==
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

2026-09-17T10:30:55.992580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067257
observed 33e6f020dd05dfba93f559c27572c1d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.975603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067257/manifest.json
observed 703f7792d2a0fe9caa2a723c6fd21f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.958697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067257/publication.md
observed 29bee722867e142e0f6eec280c85c46b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.941205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067257/publication.txt
observed 20bc35e9d9365d1870717a5bb8725de8...
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.