OpenTechnical

OT-2026-000103654

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000103654) never changes.

Identity and time

Publication numberOT-2026-000103654 · never reused
Internal UUID01a0aea4-e462-7ba7-bf06-3ba45588f931 · 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-2026-000103654
StatusPUBLIC

Content hashes

Canonical textd155c34676ad2c6906b660daa5d5c0040616229218abebeb4447067a639d6adb
Markdowndfb8c30ec8fbd16f296a02194878604fb2b3be8e7ff5b5d2b507074230b32796
PDF
Publication page0e2537978e2b996b3fb595fd06bee30180626098fe0b03c6e1238b11db4b978a
Manifest7d748b4201b49e5d43f60fd6b85b5e190222bb479ff0bf81f758132dd4edf18e

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
SignaturekN/hdJ1gMyacfiCNlYZvitDjdkH+p9nx6+AncVtV8C+Ad4fq8xYCmUY+UirE7xRTNl0YV0GdR+ORKGFjYGFZCA==
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

2026-09-17T09:22:27.213340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103654
observed 0e2537978e2b996b3fb595fd06bee301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.197247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103654/manifest.json
observed 7d748b4201b49e5d43f60fd6b85b5e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.180363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103654/publication.md
observed dfb8c30ec8fbd16f296a02194878604f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.164765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103654/publication.txt
observed d155c34676ad2c6906b660daa5d5c004...
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.