OpenTechnical

OT-2026-000095204

Publication integrity record

Four cup vacuum gripper, four zone face, three 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-2026-000095204) never changes.

Identity and time

Publication numberOT-2026-000095204 · never reused
Internal UUID01a0ae9f-8f70-748a-b058-3dbadd5edb91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095204
StatusPUBLIC

Content hashes

Canonical text92afb4de2169ef7efeb6a7ea45781ed8f18e388f6ff93fa2b26b86b9d1d84dd8
Markdowneff2b2d8f24b4ae38ee40848acfb48edf37c1ff62212b6f0e5e29026463f6695
PDF
Publication pagebe4981987f0b60d2d13415cf19e70bb84a15066f825470a06c5b26015eb6ae6b
Manifest8755a800636651d30d91af0a01b0ffd2fd9b780f16fbdbe366c06297327f1bd1

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
Signature48s1JtpI5YS74OP6BsMUgpt5Q8adpfVHatMz/3cvurHdkvdLR9fw7Hldl1jZzH2Fbe41CfZBNXwriO23qOHWCw==
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

2026-09-17T09:36:31.258361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095204
observed be4981987f0b60d2d13415cf19e70bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.239903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095204/manifest.json
observed 8755a800636651d30d91af0a01b0ffd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.221805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095204/publication.md
observed eff2b2d8f24b4ae38ee40848acfb48ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.202388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095204/publication.txt
observed 92afb4de2169ef7efeb6a7ea45781ed8...
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.