OpenTechnical

OT-2026-000103968

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000103968) never changes.

Identity and time

Publication numberOT-2026-000103968 · never reused
Internal UUID01a0aea5-15e8-70a0-b08a-9f1c327b6224 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103968
StatusPUBLIC

Content hashes

Canonical text877135533f5e93e77331f546da46c0a9581550413ae53c709641c387c6e5093f
Markdownc33ce8fb4baa15da23cc1c24c71b016071a4afa2e15bd02931529a68bcec2b22
PDF
Publication page4c844c4700c591685d2951d46b00c35255f8f14d55cfdac14d50d931f228e523
Manifest891bf08b7685a9ccd0aef7f0493f865a4f0c3370aea6ad1ed04f408a6a90314b

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
SignatureZEI0CLfwGUYpRAKWjFmNw1+vAvqSY/q5OUeRv1lMEyVayonaJWRLzhWAL/KCIdRY/FmppuaN4ep6DMOdwlHuBA==
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

2026-09-17T09:21:58.379337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103968
observed 4c844c4700c591685d2951d46b00c352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.361956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103968/manifest.json
observed 891bf08b7685a9ccd0aef7f0493f865a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.344297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103968/publication.md
observed c33ce8fb4baa15da23cc1c24c71b0160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.326976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103968/publication.txt
observed 877135533f5e93e77331f546da46c0a9...
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.