OpenTechnical

OT-2026-000104431

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed blow-off 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-2026-000104431) never changes.

Identity and time

Publication numberOT-2026-000104431 · never reused
Internal UUID01a0aea5-3421-70ec-b082-9e5d665f1b7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104431
StatusPUBLIC

Content hashes

Canonical text25cea63739e82d0e1213680808ebd6522886e66e157d1e046307d0bca6ad785a
Markdown2188be9efa492489e5cb12d43c124cb9fd368f7dd7a3b3f89ca69c3f8c9037b0
PDF
Publication page65be6a02f6af68df0606b7f8e999e2603d1e2d9aeb70560870469743df959c9a
Manifestb66bb635e7746bb0890e460147cd6ad625b2c51bc1ea96ba7db4dbc6834955ed

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
SignatureWgBa/SzWAnNcidNqrYctQe/WIkIVnGpVoNMTWwzIgIHfqHNQmq6yME1XcD9A+u58T9Lm9xeSHeRVfwLwLMwcCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:42.400422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104431
observed 65be6a02f6af68df0606b7f8e999e260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.382709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104431/manifest.json
observed b66bb635e7746bb0890e460147cd6ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.364084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104431/publication.md
observed 2188be9efa492489e5cb12d43c124cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.347847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104431/publication.txt
observed 25cea63739e82d0e1213680808ebd652...
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.