OpenTechnical

OT-2026-000085703

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, 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-2026-000085703) never changes.

Identity and time

Publication numberOT-2026-000085703 · never reused
Internal UUID01a0ae99-aaae-746a-a031-1f415b8408e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085703
StatusPUBLIC

Content hashes

Canonical text7c696bc82baa6c08f62003ebf41cb74d89553a180f28ac295b369feb0c54eb22
Markdownc37b75a2fa8592d7976aa1ada7dc26c19e160ccfa1f9f92e0f9e9d3fad01353a
PDF
Publication page424fa3ae9b1286e39ac6f3f1990b12f9897a9141dbc96a1cf598621cc4fa9e60
Manifest04107ca27abe1d553a54f970dfc35691bc3ccf487757ed35bd4ec065e723d4c9

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
SignaturepHUKclb2VC/OE59NLRkBb9AZ+0jnckKJNDwzEgUzcjYyHWFL/2pSWV70sbXh4+z3RR2BDEx7CZjrqEY8tSrsAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:36.475060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085703
observed 424fa3ae9b1286e39ac6f3f1990b12f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.456877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085703/manifest.json
observed 04107ca27abe1d553a54f970dfc35691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.434847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085703/publication.md
observed c37b75a2fa8592d7976aa1ada7dc26c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.417704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085703/publication.txt
observed 7c696bc82baa6c08f62003ebf41cb74d...
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.