OpenTechnical

OT-2026-000003955

Publication integrity record

Bellows cup vacuum gripper, four zone face, three 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-2026-000003955) never changes.

Identity and time

Publication numberOT-2026-000003955 · never reused
Internal UUID01a0a90b-938d-7abb-9b78-804fc6e8d756 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:23.311685Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003955
StatusPUBLIC

Content hashes

Canonical textfc59cefd7c61b610ad74ae8652566fd2b5d86226928f2453599f6ca10ef60cb3
Markdown0e246ee89d7b63ba872d8014ce562541b1b49d2701ce3e9ccdd190931f992dca
PDF
Publication page5acaacb591be9058b7dec4243d1e47c742f034483a73d48215ab16455d4f846f
Manifestbab1557d8f667b464ca4f574be8fb65935784cc4160343cfdb8535f08e7034db

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
Signaturev0Gcm2y2HiBOxUrITfbt+ckdPzTuGx/CB9eEhLEMN5Ql6xW4uCE1gVDPNY74cqTri9Cyh+vUUP5EiC+6+HU5Ag==
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

2026-09-16T07:10:10.079643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003955
observed 5acaacb591be9058b7dec4243d1e47c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:10.066989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003955/manifest.json
observed bab1557d8f667b464ca4f574be8fb659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:10.052491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003955/publication.md
observed 0e246ee89d7b63ba872d8014ce562541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:10.039779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003955/publication.txt
observed fc59cefd7c61b610ad74ae8652566fd2...
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.