OpenTechnical

OT-2026-000095078

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, 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-2026-000095078) never changes.

Identity and time

Publication numberOT-2026-000095078 · never reused
Internal UUID01a0ae9f-2df0-7ea4-9626-d73158326b11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095078
StatusPUBLIC

Content hashes

Canonical textf8c4c2cadd100a099355037667e634a533e1e6b0d061ff5af5ef8dea0d31fd37
Markdown75a9a0d5fe2ccb80819b266fb0e32df0d6f3a8bdb0dae5d17889d178426c9d76
PDF
Publication page67b54f8292ab1b13e21a28b100f0cbe8d10d6f884042d46f22ca339befba5957
Manifest444198d932fa44f0f28f91c8d8afe03a77bd10a9a0ea43454b33e71313cc4102

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
SignaturenRlqvIMYA0r0nVUll2gxOo4PXeEzI8fQ1gJiRACEnGvCvv2U2abNRTK7O3AcR8ngurL00C2mnSuVr4ucFny2Bg==
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

2026-09-17T09:37:39.081417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095078
observed 67b54f8292ab1b13e21a28b100f0cbe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:39.064837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095078/manifest.json
observed 444198d932fa44f0f28f91c8d8afe03a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:39.046986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095078/publication.md
observed 75a9a0d5fe2ccb80819b266fb0e32df0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:39.030239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095078/publication.txt
observed f8c4c2cadd100a099355037667e634a5...
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.