OpenTechnical

OT-2026-000102912

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000102912) never changes.

Identity and time

Publication numberOT-2026-000102912 · never reused
Internal UUID01a0aea4-be3c-7699-9926-3f1943d3030f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102912
StatusPUBLIC

Content hashes

Canonical textfe675470a5e36a2b9e2ffff339adb97a8d9f724fdcee9f548a8be9c9d7fd7b0e
Markdowna04531d7d4823060e153505fd1c503659b1381766fbddd5ef85ae6eb6bdef77a
PDF
Publication pagedfff841ed144838e5554d09d9fea5a4b4f38c7e3234da815f76253828eb75268
Manifest733e41460876b55772d24ca17fe138f810a345f8071857edf3f59f366c87aa0d

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
Signaturepb4AVC9LLtwW+9ogiCVMJbutL93C1GkDOqokiI8bgBOJpk1GxMs+RQoYV1LuOH96SCOLJPtLv7qgd5NYBBixBQ==
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

2026-09-17T09:22:55.651117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102912
observed dfff841ed144838e5554d09d9fea5a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.631867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102912/manifest.json
observed 733e41460876b55772d24ca17fe138f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.612545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102912/publication.md
observed a04531d7d4823060e153505fd1c50365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.593116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102912/publication.txt
observed fe675470a5e36a2b9e2ffff339adb97a...
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.