OpenTechnical

OT-2026-000103508

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pulsed blow-off after set-down

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-2026-000103508) never changes.

Identity and time

Publication numberOT-2026-000103508 · never reused
Internal UUID01a0aea4-e461-7d49-aad2-10c06d1712e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103508
StatusPUBLIC

Content hashes

Canonical textb72806b3c0a76a4c1c4d34ea75f1cb54960b44be284375c5f5ed598c04697685
Markdown8aff122add709380219a913c81f42ac141a035bf054637eb244c79cca19d94a6
PDF
Publication page4a3bc4da455f37c9c465fb795da06706d0e50bcd4da8fa9e66fe1ce2445e69db
Manifest239adff6632a40f6d77b9d3bb22bdcd7e80ef789da4c52854832594e4ca76c07

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
SignatureAAaf15bkwusJx+SKJkEMohI7/j96FIaZhjMumS3ccDWbK+AVfW33Tdgu7aEs7Ux9ups3BeTVRBD85b2QXY22Bw==
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

2026-09-17T09:22:16.583076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103508
observed 4a3bc4da455f37c9c465fb795da06706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.565544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103508/manifest.json
observed 239adff6632a40f6d77b9d3bb22bdcd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.549385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103508/publication.md
observed 8aff122add709380219a913c81f42ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.532179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103508/publication.txt
observed b72806b3c0a76a4c1c4d34ea75f1cb54...
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.