OpenTechnical

OT-2026-000085571

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000085571) never changes.

Identity and time

Publication numberOT-2026-000085571 · never reused
Internal UUID01a0ae99-aaac-72d0-b6dd-7afed00b4395 · 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-2026-000085571
StatusPUBLIC

Content hashes

Canonical text40e9da6cb96c33bfa058d291f84853f4f0caf481a2bd2586e8a18bed2ba9a3e8
Markdowna696d122a459e3e5bdd34f24e21a2f24478b4e79f4d5ca6cf554fd4eb51682f7
PDF
Publication page41e8e6f5cea8a648b7e1f40d6776b6dc7c09859d49dcbfbdd76918125df8acf2
Manifest4ce0263ba68da12f7b672a93c153d36d9f3020a9a0030c6182e84a647e57d4cf

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
SignaturerM7n01SfMHlB98l0XyLiFoFEQRWswmEE8tlhxJK8zAQE+bR8pyXVmWbvjXiVSPHeAUqTb8GVfn9S7KXBXQVOCg==
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

2026-09-17T09:54:23.648889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085571
observed 41e8e6f5cea8a648b7e1f40d6776b6dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.632113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085571/manifest.json
observed 4ce0263ba68da12f7b672a93c153d36d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.615953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085571/publication.md
observed a696d122a459e3e5bdd34f24e21a2f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.599652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085571/publication.txt
observed 40e9da6cb96c33bfa058d291f84853f4...
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.