OpenTechnical

OT-2026-000095701

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump 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-2026-000095701) never changes.

Identity and time

Publication numberOT-2026-000095701 · never reused
Internal UUID01a0ae9f-fac4-7e8b-a861-b87a0719ca6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095701
StatusPUBLIC

Content hashes

Canonical textfe1a589d7980478ceb1bddad70c9fe385e7cb1b6199a2ed7a55527d6eead6c70
Markdown167c5813eda1c6833da05c251ffc2a65211596b0c9007ff223859dbdbfadcf1f
PDF
Publication page0cdfa34a5013b9b731be48bb2d349b8eff69fb9359888a3c89129568c835ef44
Manifest4fdc8ada846429ec42b0030e96c62cf7c667fd138ce98fc6db6574809ef26e90

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
SignatureEvdONge25c+kbynF8W50Xn0/Hv7vwJz7LEj8JuocucJQwvjK9jYzYRCLWETmdqYfTHDq/ZIXmpLQlJePa4PQBg==
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

2026-09-17T09:35:15.159650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095701
observed 0cdfa34a5013b9b731be48bb2d349b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.140300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095701/manifest.json
observed 4fdc8ada846429ec42b0030e96c62cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.121822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095701/publication.md
observed 167c5813eda1c6833da05c251ffc2a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.099281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095701/publication.txt
observed fe1a589d7980478ceb1bddad70c9fe38...
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.