OpenTechnical

OT-2026-000085146

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000085146) never changes.

Identity and time

Publication numberOT-2026-000085146 · never reused
Internal UUID01a0ae99-43b9-77f7-bb71-dbe932240c84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085146
StatusPUBLIC

Content hashes

Canonical text07dacd98281b52b0ef7ddeb51825403fc83d92b4ac591a9d39d9c6fa19ba4459
Markdown0fff367fb1cf49b580c0319726be09b5808dbb991abf28db8b00e05003af07ce
PDF
Publication page615405c52714f8b9990e9c0032bdaf8b24d13eb326a9ddeb4bf403350460ffbd
Manifestc21fb4771bf0d1baf7f473d0e2590d6926fdc2d299605ad368ce6dea3bd93919

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
Signaturee9W+allfyIHLzvIlbep7OPvss7Rkm8rX7DHq14f06k1CE+MTpCMBK3QhLPXTRvFmFOow90lvJ70KMmJrK+YEDQ==
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

2026-09-17T09:55:13.531652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085146
observed 615405c52714f8b9990e9c0032bdaf8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.515210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085146/manifest.json
observed c21fb4771bf0d1baf7f473d0e2590d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.498035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085146/publication.md
observed 0fff367fb1cf49b580c0319726be09b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.479239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085146/publication.txt
observed 07dacd98281b52b0ef7ddeb51825403f...
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.