OpenTechnical

OT-2026-000041188

Publication integrity record

Single bellows cup vacuum gripper, pump 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-2026-000041188) never changes.

Identity and time

Publication numberOT-2026-000041188 · never reused
Internal UUID01a0ae79-b143-7d08-8819-16bcf8f77e45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041188
StatusPUBLIC

Content hashes

Canonical textea19e3d48b096f0da5a2e4cd205f1a3cfd4a2cd956c59c6ced6b15d61fc711e8
Markdownd28419a7b28b16f2e3f97e03c03bc0befdb92622cedca683d5b9ac7ffccfdbc7
PDF
Publication page97950f1beb799fa318977ae400482623855c918cbd5e3adb905c0e6bf87fe71c
Manifest69f502691145e95dd7161942578548bab0f1e74aa68e2427a59cc1815fc83309

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
SignaturevhUEHKkVS3r1uB3JfN4QVjwjy/S2Ou2+2V7NLQCyZnGSBs81rsEupUenpWIcNkGZswPpPhGr5+yehnWMkwSwAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:08.377975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041188
observed 97950f1beb799fa318977ae400482623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.361435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041188/manifest.json
observed 69f502691145e95dd7161942578548ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.339911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041188/publication.md
observed d28419a7b28b16f2e3f97e03c03bc0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.321356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041188/publication.txt
observed ea19e3d48b096f0da5a2e4cd205f1a3c...
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.