OpenTechnical

OT-2026-000099471

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000099471) never changes.

Identity and time

Publication numberOT-2026-000099471 · never reused
Internal UUID01a0aea2-c974-7b9f-9b15-4ab943e6b1ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099471
StatusPUBLIC

Content hashes

Canonical text623d6b8f48791fea9255e50430a8f65b05943dfde9aa840ff1750c8fe245ee92
Markdown92743a8cb6f0fabd5616dc9ec93ff3677c5f95cefae6f42007e1a7d348549fdb
PDF
Publication page44642e49d4b388f5c1c8a3274d0167113df05aa2068d4b79bc08dc80fb7d2e00
Manifest8cac17b9cada797f09af2e8d07ab74f6d5555eea42a60a76f7e9faa80a618afd

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
SignatureE3Dhnb3gqr8j/gi8uzlpmyRAzKqnTKhKHXQmHLmHtGW9U2bkU8qF21fPwNXCGiu/m51J6KjNySGdCADJbRfmDw==
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

2026-09-17T09:29:15.387357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099471
observed 44642e49d4b388f5c1c8a3274d016711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:15.368714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099471/manifest.json
observed 8cac17b9cada797f09af2e8d07ab74f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:15.351604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099471/publication.md
observed 92743a8cb6f0fabd5616dc9ec93ff367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:15.332889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099471/publication.txt
observed 623d6b8f48791fea9255e50430a8f65b...
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.