OpenTechnical

OT-2026-000043734

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, sustained 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-2026-000043734) never changes.

Identity and time

Publication numberOT-2026-000043734 · never reused
Internal UUID01a0ae7b-d676-79a7-9c66-c324ad0df42e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043734
StatusPUBLIC

Content hashes

Canonical text58d1d79dfa7b9a55cd4fa191921402d40e3e988f19c31c298781c9c62f9cae76
Markdown5f2b533447713ae0b5e8aa5fb48567ad956bfbd886069ef6a7da2532edb39e7e
PDF
Publication page081e5dbd97abf6085be502835e66bdb0aedc6130d8ffb2f2808f379ec004ab11
Manifest2da7e15940b8aaf94208df77f7f6ea3418fe2689b30213d9469649c72e578beb

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
Signature8QzyosqvqYCnLHcIDo9W4zwsOZidkJCspo2F6xVYI0FXJLs6VRPRACan6swXyNmNkpJGtTVY8unwk7AibsZQBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:00.618515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043734
observed 081e5dbd97abf6085be502835e66bdb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.596976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043734/manifest.json
observed 2da7e15940b8aaf94208df77f7f6ea34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.578362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043734/publication.md
observed 5f2b533447713ae0b5e8aa5fb48567ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.557154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043734/publication.txt
observed 58d1d79dfa7b9a55cd4fa191921402d4...
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.