OpenTechnical

OT-2026-000103636

Publication integrity record

Foam pad vacuum gripper, four zone face, three 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-2026-000103636) never changes.

Identity and time

Publication numberOT-2026-000103636 · never reused
Internal UUID01a0aea4-e462-73cc-9c0c-09882492dd1c · 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-2026-000103636
StatusPUBLIC

Content hashes

Canonical text3dc59489bedaedb196842f7ca9fe9f446af820a6aa8a0c1ce9d8271aa203bd6a
Markdown47d6224deface003a5178724771520b504ba52160ca5137f3a0bc9780234126a
PDF
Publication pageb86a60c93f24bbdf505c2e431a2d6d1458cedf0b2913dc369c311759e4718181
Manifest17d2001fa22aa1188862d6445478b18afff22cb76b9374b565a360812e129768

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
SignatureyhwtD2MxJEdpcGvVHkQUGyHjBrLO6cJHdglphIo4euP5EoiyTFoPGrCLlVpQQ3e7jjWD0Mj4u2I3OCXU9teZDw==
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

2026-09-17T09:22:25.936063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103636
observed b86a60c93f24bbdf505c2e431a2d6d14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.919014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103636/manifest.json
observed 17d2001fa22aa1188862d6445478b18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.901189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103636/publication.md
observed 47d6224deface003a5178724771520b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.884356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103636/publication.txt
observed 3dc59489bedaedb196842f7ca9fe9f44...
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.