OpenTechnical

OT-2026-000103865

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000103865) never changes.

Identity and time

Publication numberOT-2026-000103865 · never reused
Internal UUID01a0aea5-15e6-7378-bb14-e8d12eb67e78 · 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-2026-000103865
StatusPUBLIC

Content hashes

Canonical textdc97d1de53fd4e9eeb88d9d370cf113fab4db4c7b6960b69ba03c469d083302d
Markdown8951e0dacdffdb5093c21e4554252795d987dd450155f013349dbcd657d98fc5
PDF
Publication page372c513fd35064e9b453bff94880cc7aba0d0e6ce25d680407b82b23364a349d
Manifest553f3f55196834f32947393631e7ccfc56d49c73e878432e0826f7a0166970ef

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
SignaturevbmPvS5mPEponUJzv/NsAIIbf+6gtLB64IDQd18l9rkaoh4dbDpvG4/eJ0sbQzPJ8c8k93m1pHCTf1aEdaREDw==
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

2026-09-17T09:21:50.853821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103865
observed 372c513fd35064e9b453bff94880cc7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.837413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103865/manifest.json
observed 553f3f55196834f32947393631e7ccfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.820714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103865/publication.md
observed 8951e0dacdffdb5093c21e4554252795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.803559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103865/publication.txt
observed dc97d1de53fd4e9eeb88d9d370cf113f...
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.