OpenTechnical

OT-2026-000072258

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000072258) never changes.

Identity and time

Publication numberOT-2026-000072258 · never reused
Internal UUID01a0ae92-47c2-7e82-8974-f72724f99b6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072258
StatusPUBLIC

Content hashes

Canonical textabc67ffd25d794a1d3f17563f88a56b3c277568dcefe88db3654f845868aeeef
Markdown8827a3064b70dac710ddfdfb512e0cbfe3d2d530343c242fdcc43f3b47d3628d
PDF
Publication page6101d8ba10b766114434adc859dce5548492862e32621fe0f47442125fd9f10d
Manifest2ba7a3c7a52c791e412876b8732ef54dcccd123c4c51a45cf67563a6400dadd7

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
Signature/3Va7imgn92IAk5E2Ubr4n66NHi3ZmZJTW58aKiKJbDEa+1iNaFEOr419Xi8oplnqYQVuo66U6NP4Qmd/JHKCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:22.130101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072258
observed 6101d8ba10b766114434adc859dce554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.114076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072258/manifest.json
observed 2ba7a3c7a52c791e412876b8732ef54d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.096707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072258/publication.md
observed 8827a3064b70dac710ddfdfb512e0cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.080626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072258/publication.txt
observed abc67ffd25d794a1d3f17563f88a56b3...
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.