OpenTechnical

OT-2026-000050329

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, vented before set-down

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-2026-000050329) never changes.

Identity and time

Publication numberOT-2026-000050329 · never reused
Internal UUID01a0ae82-5c47-7338-b8b6-da86b774b0cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050329
StatusPUBLIC

Content hashes

Canonical text032e31dc0057df6f4918e221811d2022ffdc5f36ea788e050eb7ff09c7994af1
Markdowne5515b925284682ad09eaf7119baf5ce730bc9e5b7934698c21e71579e483fc8
PDF
Publication pagea03d4e0778ab981890247d55ad5dd6f0450769b7a548a9ec4140dcb9b199a9a7
Manifest17de457e9c09a78665daa0abf3d8f5ab2be01a567c04d24cf8bbfba97c747e8b

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
SignatureLB2a8Wyfdd5oOdlmGGJL6U2fTyWKitPvL8kha0B1klBxrOybNz4oomdqfs6tdXNa1ny41wHcsdubbabP3mXQAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:21.280233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050329
observed a03d4e0778ab981890247d55ad5dd6f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:21.263879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050329/manifest.json
observed 17de457e9c09a78665daa0abf3d8f5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:21.245643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050329/publication.md
observed e5515b925284682ad09eaf7119baf5ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:21.228870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050329/publication.txt
observed 032e31dc0057df6f4918e221811d2022...
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.