OpenTechnical

OT-2026-000004067

Publication integrity record

Bellows cup vacuum gripper, four zone face, two outlet manifold, three stage ejector, pressure verified

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-2026-000004067) never changes.

Identity and time

Publication numberOT-2026-000004067 · never reused
Internal UUID01a0a90e-2be1-7021-af75-cb9794d9024a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:11:13.381273Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004067
StatusPUBLIC

Content hashes

Canonical textf5971c40232b7b0ab3f28e5e2d4f85ad93ca91db10680ad737ac4b972b067411
Markdown17f43be84de83b7d8655682bcddd1b502acaae7dab62a5f81f89c51d6537d555
PDF
Publication page3f36743506ec47b070aeb6826628650dcd655245278d7d75e33a3c797d99566a
Manifest08ca2b76b0b41e67918d83870196727ffc72e7853da43189ea1c4ffdb2ed9c49

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
SignaturewXQ8oEOE5yQLC9sjAaZpdGTo36o+RJOClB7oJANsss2Zq10gP4GrbPa5vIyf57CwqzYZahoe/LFgaSY/edj7CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:30:36.121978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004067
observed 3f36743506ec47b070aeb6826628650d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.989641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004067/manifest.json
observed 08ca2b76b0b41e67918d83870196727f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.977712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004067/publication.md
observed 17f43be84de83b7d8655682bcddd1b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.963882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004067/publication.txt
observed f5971c40232b7b0ab3f28e5e2d4f85ad...
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.