OpenTechnical

OT-2026-000005902

Publication integrity record

Bellows cup vacuum gripper, three zone face, three stage ejector, 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-2026-000005902) never changes.

Identity and time

Publication numberOT-2026-000005902 · never reused
Internal UUID01a0a948-a898-71b0-a4b5-7ec8a465c3d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:15:06.395102Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005902
StatusPUBLIC

Content hashes

Canonical text1a6539a0140b1e6767432ff48f83b96da8e8fb892989cc9ae328b55c65049560
Markdown0b71b2565dd565520c1bce4b186c9281bfcd43ce862da819d3126b013f1a085f
PDF
Publication pageb52323623b4edd79b7a87730a1ac13d70eb08f8be9e3cf1fbe601f12e44d9e61
Manifestf6cb8fb20195ab65b62e1906ecf7806b48a47583e74f2fa7a46f641b049d9092

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
SignaturejgpV1CytHVrGe5hdpJ8U8Oy8WeOq1TPFGEyX1h4UPjLuy7kgJ0Q3ctxcJjKDRRX72X0Mv07IGisWD4kC6HvFDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:19.515414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005902
observed b52323623b4edd79b7a87730a1ac13d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:19.496693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005902/manifest.json
observed f6cb8fb20195ab65b62e1906ecf7806b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:19.476725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005902/publication.md
observed 0b71b2565dd565520c1bce4b186c9281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:19.461593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005902/publication.txt
observed 1a6539a0140b1e6767432ff48f83b96d...
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.