OpenTechnical

OT-2026-000068309

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000068309) never changes.

Identity and time

Publication numberOT-2026-000068309 · never reused
Internal UUID01a0ae90-2480-7be0-8bfc-99414bdea8e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068309
StatusPUBLIC

Content hashes

Canonical texta0d230c13e483a65831868bcd12d87fbf642c73db063eb391c36f628975b805d
Markdowna5c95e10a8a4c9a762bbf37c7504714769b1b8190b379d4a1244fd9c6c702ca4
PDF
Publication page709d78e27e53c4138c2b8630178ac2e9e7d806f416b95b06b5517c44cedb05e7
Manifest825993d30070e3716d6d35ed522e13427fb78d6e20f6643919465d832926edcd

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
Signaturej2ST6kspiLs89l8I08tQURTSNx/wUT58QQKkB85qOTcr9GkZ5lKpLdZM1G80NovlHkcr1mNSl04j3or5ptvXBw==
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

2026-09-17T10:29:20.798527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068309
observed 709d78e27e53c4138c2b8630178ac2e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.782876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068309/manifest.json
observed 825993d30070e3716d6d35ed522e1342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.765987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068309/publication.md
observed a5c95e10a8a4c9a762bbf37c75047147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.747711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068309/publication.txt
observed a0d230c13e483a65831868bcd12d87fb...
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.