OpenTechnical

OT-2026-000007081

Publication integrity record

Vacuum cup gripper, six outlet manifold, two stage ejector, pressure verified, contact triggered, silicone cups

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-2026-000007081) never changes.

Identity and time

Publication numberOT-2026-000007081 · never reused
Internal UUID01a0a971-fdab-71d4-99b9-f65b139c3b3b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:00:15.150533Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007081
StatusPUBLIC

Content hashes

Canonical textd1951f16f4d44da7e56eec9df63bce49b121bb807d5acdcd8ae05a8b51ab16e9
Markdown795c2d3aa7bcb4c97d4d795e181ddcc1e1889f48ba6ffa4fb02e977d66006fad
PDF
Publication page03295e798e4e188e05cb4a93e3f35c4de86eade72664fb145278d283c7d81380
Manifest967da20813f42530d1b94306913f58614c04b68251e0bb0ae37d3bbe938324c0

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
SignaturedhrHP0iCfhIrqtaCnJXQbb9rGho9sErGby60ssZ4EoBsoT7QQgjNUt1KDw5xQUZJGqCj8egWfzemvuNDmVlBDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:29.214558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007081
observed 03295e798e4e188e05cb4a93e3f35c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:29.192037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007081/manifest.json
observed 967da20813f42530d1b94306913f5861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:29.179018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007081/publication.md
observed 795c2d3aa7bcb4c97d4d795e181ddcc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:29.164734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007081/publication.txt
observed d1951f16f4d44da7e56eec9df63bce49...
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.