OpenTechnical

OT-2026-000103441

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000103441) never changes.

Identity and time

Publication numberOT-2026-000103441 · never reused
Internal UUID01a0aea4-e460-70d1-8419-bd9746e86513 · 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-2026-000103441
StatusPUBLIC

Content hashes

Canonical text3e8ca867d1695ce293d92452310d58ebd85d45fa3db64057c257b23c114873f4
Markdown715704ae3c78e84e5f2d3613825b96f7c6eb580e64c68685f284b3859d46279d
PDF
Publication pageb200962e42e233de3c02fd0b118cc4e411c266c838e7fc632b3c352ddad5e919
Manifestac0a616b748fc276c1363331b1d0a34b5f5869bfd6ef0259d0c2b1df8df445f7

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
SignatureN+fpoHK8CcYyrJLE3IXrvXOBUrE8o3VMEJvK3bNIbVBABgnD5ODKI65MD3Fz/4J6P2Ci0TCvIUeDKeIEkj0/DA==
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

2026-09-17T09:22:11.711049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103441
observed b200962e42e233de3c02fd0b118cc4e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.694338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103441/manifest.json
observed ac0a616b748fc276c1363331b1d0a34b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.677861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103441/publication.md
observed 715704ae3c78e84e5f2d3613825b96f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.662085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103441/publication.txt
observed 3e8ca867d1695ce293d92452310d58eb...
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.