OpenTechnical

OT-2026-000040433

Publication integrity record

Single cup vacuum gripper, single stage ejector, sustained blow-off after 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-2026-000040433) never changes.

Identity and time

Publication numberOT-2026-000040433 · never reused
Internal UUID01a0ae79-2701-7ae4-9312-2a7f110f251a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040433
StatusPUBLIC

Content hashes

Canonical text8f75533ebdb5a8e802c025c12e5095793b808563bdd7895bbf00920d5d0dc1b8
Markdown8215e452e9f023c3e9239b073605c2c23b9815b1e21500ecd2efc20720e9b04a
PDF
Publication pageb7061449b8f5e4750d53347e25cdcbbbf0e7f04da8341a4cf86d8a7f225ccbe3
Manifest8cf6b25ce9de097c1733cb9ba9fa43805b060601bf12d4e57bab9246f57344be

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
Signature1nrZ4aGK+gO6HRY0fN5Kf5z85LxtaqjsYX9eLYXSw5bmQkRe/3/j+LLEE374YMD/ZNgYdSDhSnCi4fs4P35hCQ==
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

2026-09-17T11:19:28.534940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040433
observed b7061449b8f5e4750d53347e25cdcbbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.517359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040433/manifest.json
observed 8cf6b25ce9de097c1733cb9ba9fa4380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.500608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040433/publication.md
observed 8215e452e9f023c3e9239b073605c2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.481828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040433/publication.txt
observed 8f75533ebdb5a8e802c025c12e509579...
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.