OpenTechnical

OT-2026-000007416

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, ejector fed, pressure verified, plastic cups, three fold

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-2026-000007416) never changes.

Identity and time

Publication numberOT-2026-000007416 · never reused
Internal UUID01a0a97e-0615-737b-b495-94ea90564295 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:13:23.737179Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007416
StatusPUBLIC

Content hashes

Canonical text26cc13c1db1aa7600ec6bb4760f1b7d377719946449bdbb7d45cf94b1545d329
Markdown5748a8f65b4481d0c2eac4a9303765bd281cb7f7b72623a2b349da375937672a
PDF
Publication pagedad72c5470805aee4e0e62b093c51348e60581910e640b53777f4b5356d2f909
Manifestab75afeac605ac899b3ba83b79aae5390dab89da9d624e96e9bc334385d2ad79

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
SignatureI862/Gs9TmQ+ks1lYAz0gghFFtDY97BuX+4txh9AHPYAHynuJNQxfMsG/OF7l6JXmri2oqwWeYC1QdkiOdUVDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:06.586243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007416
observed dad72c5470805aee4e0e62b093c51348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.573254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007416/manifest.json
observed ab75afeac605ac899b3ba83b79aae539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.561289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007416/publication.md
observed 5748a8f65b4481d0c2eac4a9303765bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.547465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007416/publication.txt
observed 26cc13c1db1aa7600ec6bb4760f1b7d3...
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.