OpenTechnical

OT-2026-000099813

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000099813) never changes.

Identity and time

Publication numberOT-2026-000099813 · never reused
Internal UUID01a0aea2-c978-7116-b79a-91f80999fdd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099813
StatusPUBLIC

Content hashes

Canonical texte2acc41883ef559b261821e59142fbcc82c11b495a530c7f80dd1aa85eb93d3a
Markdown95fcf884d74c1f8f3a811e32be9c5bd4cb6c7ce64174f56b1ba0f79b77c0d335
PDF
Publication pagee2f64efc3c2db4b06517a1aa898ef206d53422b410756b9d0fd84db60c0700a6
Manifest6a953de21f543df3a15963abfd764a4649d484602e0647aaebc015997ad1f21e

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
SignaturelBMEIufZTn/Y+z1hMHira/3RjDAnuw1rRwTfX/cNvgOevp5KG92uWJ/aEKNkIcs+SU5v2Q81YUH6W9nTkKRFAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:51.160592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099813
observed e2f64efc3c2db4b06517a1aa898ef206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.146153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099813/manifest.json
observed 6a953de21f543df3a15963abfd764a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.130657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099813/publication.md
observed 95fcf884d74c1f8f3a811e32be9c5bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.114988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099813/publication.txt
observed e2acc41883ef559b261821e59142fbcc...
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.