OpenTechnical

OT-2026-000005809

Publication integrity record

Bellows cup vacuum gripper, four outlet manifold, two stage ejector

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-2026-000005809) never changes.

Identity and time

Publication numberOT-2026-000005809 · never reused
Internal UUID01a0a945-968f-7b4b-a53c-0964ba6ab713 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:11:45.170002Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005809
StatusPUBLIC

Content hashes

Canonical text3baeec76c32c40c9cee7f2bb2dc9460bb37238be65d407fcce4792babb4db5af
Markdown175b9d5a72a63a93d5b2a47000557a7b1c79c8c67c8ea431bf3f114db77a9cf6
PDF
Publication page64e35492806ee2f678ab0fee6ca554d3254c8352f904178b196a62075b841e92
Manifest41f6ce1bb8ba15e75781707f03dd0b47b9be159c1ce1f487d70fcbf640c67d5d

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
Signature9CVzpHJFOyiSaiVsmRkqI2kXhF38tHrxIF3ahXPxmgEJSctWkay3VeXOW4p2H+Sg1gTueCmTSPdmSxzeI1VPAA==
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

2026-09-16T08:20:30.239862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005809
observed 64e35492806ee2f678ab0fee6ca554d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:30.225130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005809/manifest.json
observed 41f6ce1bb8ba15e75781707f03dd0b47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:30.211994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005809/publication.md
observed 175b9d5a72a63a93d5b2a47000557a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:30.197847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005809/publication.txt
observed 3baeec76c32c40c9cee7f2bb2dc9460b...
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.