OpenTechnical

OT-2026-000092025

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000092025) never changes.

Identity and time

Publication numberOT-2026-000092025 · never reused
Internal UUID01a0ae9d-43bc-728b-a79d-46309012f08a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092025
StatusPUBLIC

Content hashes

Canonical text4a59e64eb1eff9722b135b2b6640238c73b212b22f6f8579425e976575895783
Markdown6edaf37fc06dc723f5b5cf99a2f7340fb3c175c6c124bc9060cacb0f9e8d05e8
PDF
Publication page3bdffd1f75f8c1371ca9ccefd0e0b4a0d481b65bd4345fd730b23b1016bfc968
Manifestf8f4f5121fc691cc8810a9931c4cc078f033b118eda0083b7f5a335d81f1eab5

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
Signature5IjoVNlUMyBrbCmoT1LMmCT4gZoeN8fp2dVZW+SreZniD5MWvJApY9CBCAQB1Tw4oFSihWYW+F0SDHXxnGmnBg==
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

2026-09-17T09:43:06.584807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092025
observed 3bdffd1f75f8c1371ca9ccefd0e0b4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.566416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092025/manifest.json
observed f8f4f5121fc691cc8810a9931c4cc078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.549621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092025/publication.md
observed 6edaf37fc06dc723f5b5cf99a2f7340f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.530552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092025/publication.txt
observed 4a59e64eb1eff9722b135b2b6640238c...
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.