OpenTechnical

OT-2026-000099915

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000099915) never changes.

Identity and time

Publication numberOT-2026-000099915 · never reused
Internal UUID01a0aea3-1473-73e8-9ea6-2bf4eb57b6ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099915
StatusPUBLIC

Content hashes

Canonical textbe33845d9399371f0a2db999ad0fb951770b9cefb03f9616830b26f36d89b0a3
Markdown4f0b9324d578136ee350f5776102bd03cbe6b0501e5a83d764d0f243d15edf5e
PDF
Publication pageba376683c9da6e1327007aa79f36eba384fe0e086b365e2bdceceaea792daeb9
Manifest5043e48aa673686e2ad1daa0197d840b1b0b928dad380c5a3dc6e54dbb81326d

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
SignatureKSSZu+GjgD908Rlqcl4JUA0YfolzUzW8uSn3FhzgkXGIMDlh06hfGtwS9lurjEn1N5u32ddqd5uJeovnfqRIDg==
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

2026-09-17T09:30:33.449625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099915
observed ba376683c9da6e1327007aa79f36eba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.404257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099915/manifest.json
observed 5043e48aa673686e2ad1daa0197d840b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.385053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099915/publication.md
observed 4f0b9324d578136ee350f5776102bd03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.342946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099915/publication.txt
observed be33845d9399371f0a2db999ad0fb951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.014012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099915
observed ba376683c9da6e1327007aa79f36eba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.995183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099915/manifest.json
observed 5043e48aa673686e2ad1daa0197d840b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.955904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099915/publication.md
observed 4f0b9324d578136ee350f5776102bd03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.918245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099915/publication.txt
observed be33845d9399371f0a2db999ad0fb951...
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.