OpenTechnical

OT-2026-000005516

Publication integrity record

Vacuum cup gripper, common isolation valve, ejector fed, contact triggered

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-2026-000005516) never changes.

Identity and time

Publication numberOT-2026-000005516 · never reused
Internal UUID01a0a93b-9fa4-78cc-bd80-f9927c2146f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:00:52.135856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005516
StatusPUBLIC

Content hashes

Canonical text0565ce0a51a296b9a8b4c37ed2eb9d20ba1ecfc006c377757848a18755458e15
Markdown6227cc4a4de4b97d1ec735bcb62b8ec9cb882217b756078ed4f3a8b972bb784f
PDF
Publication page17cbbcd6fec0fec6db17d99b96c234c45343245f6605554d4545e702c37232c1
Manifest21a331a9a57bb7b4041b7d943d7f4667fdb82e20c7b011fee1d27db776e4fbd9

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
SignatureXi0yOUGd26Ku08b55JO2W/n5x90wi6K9vN+TVPQWm4U4copK9s5afAolEhWmEX3ACtvmm7I3OAYzb/TDnknjAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:31.473320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005516
observed 17cbbcd6fec0fec6db17d99b96c234c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:31.458803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005516/manifest.json
observed 21a331a9a57bb7b4041b7d943d7f4667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:31.445815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005516/publication.md
observed 6227cc4a4de4b97d1ec735bcb62b8ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:31.431756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005516/publication.txt
observed 0565ce0a51a296b9a8b4c37ed2eb9d20...
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.