OpenTechnical

OT-2026-000102150

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two 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-2026-000102150) never changes.

Identity and time

Publication numberOT-2026-000102150 · never reused
Internal UUID01a0aea4-50f2-7268-9efa-48cfa0a9c397 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102150
StatusPUBLIC

Content hashes

Canonical text0dbc30a0ce85be11c252b2787535eb32f839bfa6da5683b1b9ef27627d051368
Markdowne9706d4f287f0ccfd72cbc6cd6b9671629bc7143636fc2da78b86e74a057d1d0
PDF
Publication page88b3643f16d57e67c3b19d6e6a7173e553b96bfee6756b2d17945cda46b94e70
Manifest9fb41a37af7d991b848a535f1c96d655a4062dc0ee991e34c2cb1549fdd81c16

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
Signature2GxK3cC57Q190Z2BbvLTSLckhvlN9dUc/OXkKYSfg4E5aco2cNcNwKCr/ObKkMlTGeAVc2KQ/YB0rafYOrHrCg==
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

2026-09-17T09:25:18.950432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102150
observed 88b3643f16d57e67c3b19d6e6a7173e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.932088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102150/manifest.json
observed 9fb41a37af7d991b848a535f1c96d655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.913931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102150/publication.md
observed e9706d4f287f0ccfd72cbc6cd6b96716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.895246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102150/publication.txt
observed 0dbc30a0ce85be11c252b2787535eb32...
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.