OpenTechnical

OT-2026-000005052

Publication integrity record

Bellows cup vacuum gripper, three zone face, common isolation valve, ejector fed

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-2026-000005052) never changes.

Identity and time

Publication numberOT-2026-000005052 · never reused
Internal UUID01a0a92c-53c3-7495-acfe-caff2ca6c095 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:09.671712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005052
StatusPUBLIC

Content hashes

Canonical text31bb18862cb5ab5e604847143150374ae10aa1964af090457e88211281784d4a
Markdownf47f60a5c17bb9847260d560c6d5e530b124c2d26a59897b5628f33245d7c4cb
PDF
Publication page552639cd291cc81e20ef3bfffbfe94fab01fe52d53d124a0cfdcefc26fe718f9
Manifestaf939c95959fd6e69961e074264d9dccfe3bf36b9f23429cabe7d234fe7dc2a1

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
SignaturexCKrHmgV9Mf/vYMmzntjW/S1kq9tBF4GfB3LteEY1fo48cmmjAYrmjiOuxWVVoGvRT6NjwcFW+QBsy0nIgf7Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:20.701262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005052
observed 552639cd291cc81e20ef3bfffbfe94fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.690048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005052/manifest.json
observed af939c95959fd6e69961e074264d9dcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.676439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005052/publication.md
observed f47f60a5c17bb9847260d560c6d5e530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.664728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005052/publication.txt
observed 31bb18862cb5ab5e604847143150374a...
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.