OpenTechnical

OT-2026-000075751

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000075751) never changes.

Identity and time

Publication numberOT-2026-000075751 · never reused
Internal UUID01a0ae94-29fe-7b81-bcd7-9f5948db3e79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075751
StatusPUBLIC

Content hashes

Canonical text4be2c466f1387845b20b0f928af9f362bdadedf69aeaa106afd5980605de946f
Markdownb29c26024be5966ea92468ff6c320e0e0cedf70063f8f42ecc284dd904e8db03
PDF
Publication page0538f79a1c7ab5641f8cbc90c2f87a46c6bfae37fa1343fab2458f7dd1bbf248
Manifest44a16c939bd5d21ae9e8bd1b11aa6a8ea05949d667d7f1468690649771ab401e

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
SignatureaHY4zuktv8OTpDkCIch30qBTkwjUWPI/Ob+8WxVtIAVTsgJh4V8alzEtvXP83e0xv6WsrD/gUvUHpWEnDMUUCA==
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

2026-09-17T10:14:07.731878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075751
observed 0538f79a1c7ab5641f8cbc90c2f87a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:07.712844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075751/manifest.json
observed 44a16c939bd5d21ae9e8bd1b11aa6a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:07.692106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075751/publication.md
observed b29c26024be5966ea92468ff6c320e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:07.548441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075751/publication.txt
observed 4be2c466f1387845b20b0f928af9f362...
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.