OpenTechnical

OT-2026-000067946

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000067946) never changes.

Identity and time

Publication numberOT-2026-000067946 · never reused
Internal UUID01a0ae8f-c4fd-76dc-82e5-6f19b8337fbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067946
StatusPUBLIC

Content hashes

Canonical text5f46791b871585d7c4b49f2c3627e8e6c7569a42b47845c872f14c76bf738bcc
Markdown290daad699b58a8e59c792f610511e4380d17afa8ca7e9374496f2a37224b30f
PDF
Publication page7885e46e83b0cad6625aa1b3e8ab5d8c9b1939bc9d0d90caf0c5a55fc3b1a9f8
Manifest49c8f0d371a2af535ed3fbf3e4f7ad9acf8891d4f282350bf721bc2d4d3e6144

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
SignatureuhbRx3Xf95zb7pmIIuUjYyrPSF5+y8svfLk9afJNEk6kf1tEzPdmDkxgx3uP1IyrYXPMVECz9/2a1EVMBbz3DA==
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

2026-09-17T10:30:21.909753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067946
observed 7885e46e83b0cad6625aa1b3e8ab5d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.892830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067946/manifest.json
observed 49c8f0d371a2af535ed3fbf3e4f7ad9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.877149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067946/publication.md
observed 290daad699b58a8e59c792f610511e43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.860378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067946/publication.txt
observed 5f46791b871585d7c4b49f2c3627e8e6...
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.