OpenTechnical

OT-2026-000005341

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, ejector fed, pressure verified at each zone

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-2026-000005341) never changes.

Identity and time

Publication numberOT-2026-000005341 · never reused
Internal UUID01a0a935-fea3-7578-98d2-a569a2dc30ad · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:43.238254Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005341
StatusPUBLIC

Content hashes

Canonical texta41e80dc354065764df7c42bbb250d8170c482c5640341cf87d1207282e31cf1
Markdown9066221d621667dcd5be9a0406f39bf6ac4dba5c95fda05f84fbdaa149c486ca
PDF
Publication pagef5eaa9c22d5e679268fe9a945b3d626313c26fa82ccd9e37209b07aa5ddad3d2
Manifestd28fe40bf84e90135dc329d999e11da76986328efbc760272c16db72e4c61726

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
SignatureAPDkravp2V7zIX4XwDr1dBn5rodIJrNO2YrV8Btas+erLo0FF54RmcOt2ScwPFtzGD/FcFNPMKEx0Xm3XTYSCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:20.665862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005341
observed f5eaa9c22d5e679268fe9a945b3d6263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:20.653207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005341/manifest.json
observed d28fe40bf84e90135dc329d999e11da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:20.638859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005341/publication.md
observed 9066221d621667dcd5be9a0406f39bf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:20.624085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005341/publication.txt
observed a41e80dc354065764df7c42bbb250d81...
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.