OpenTechnical

OT-2026-000095539

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000095539) never changes.

Identity and time

Publication numberOT-2026-000095539 · never reused
Internal UUID01a0ae9f-8f74-7db1-8b6e-ced98b2d8d63 · 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-2026-000095539
StatusPUBLIC

Content hashes

Canonical text681cd3c4f58d77633de2f2b11df1856a4b51156802ab9aee73cbd16d5eddc5f6
Markdown091b020f58d11c3cb7264b3343a857981b445bfa97eb4bbdb1c00b147387fe9e
PDF
Publication page5100316b78876c71b5afe85b2e5510bc37ef08fc8d1cab2577caf5f5d12c7c6c
Manifest5579c0ab38afc7c8c260cb1a4c3920bf7b9419eac2ca263682579afb77adc2b8

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
Signature1k60vm7j7e+BXqKWQ/lhJpDGjARu3XqLi2COFargjpkDFugpx0ovAh8vYU9uUcZ6m6f5rwHoHOKt80yDXjGVCw==
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

2026-09-17T09:36:57.090014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095539
observed 5100316b78876c71b5afe85b2e5510bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:57.072635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095539/manifest.json
observed 5579c0ab38afc7c8c260cb1a4c3920bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:57.055721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095539/publication.md
observed 091b020f58d11c3cb7264b3343a85798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:57.037692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095539/publication.txt
observed 681cd3c4f58d77633de2f2b11df1856a...
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.