OpenTechnical

OT-2026-000102123

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000102123) never changes.

Identity and time

Publication numberOT-2026-000102123 · never reused
Internal UUID01a0aea4-50f2-7166-9794-e34811bf8268 · 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-2026-000102123
StatusPUBLIC

Content hashes

Canonical text78e95c620e54d46a45ae5721e07a4a77ad4ae1acc645191b118729791b6e6e5b
Markdownfae5b78b339ac444f6785314e213645ad7ef96fc8c0b1cc6d8a51bb301e8d332
PDF
Publication paged8e2ec6a42fa9ec6771be7982657146743f018e0550ab08747b8286b6cd91910
Manifest5cc3e6d43ad7f62638cd640782b0614cf3eabb50a5eb533f5aa2e974321cc1e0

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
SignaturetDG2zPbXbBhfYEZoDzXD05Tueu9MmhMDLDs4e/ofeeM5nPFkr+FTbX4EFi7+0JzjmqNc+azlUCQV2PIlkp4DCg==
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

2026-09-17T09:25:16.854510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102123
observed d8e2ec6a42fa9ec6771be79826571467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:16.837526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102123/manifest.json
observed 5cc3e6d43ad7f62638cd640782b0614c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:16.818876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102123/publication.md
observed fae5b78b339ac444f6785314e213645a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:16.800771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102123/publication.txt
observed 78e95c620e54d46a45ae5721e07a4a77...
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.