OpenTechnical

OT-2026-000010568

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented after set-down, on a tool changer

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-2026-000010568) never changes.

Identity and time

Publication numberOT-2026-000010568 · never reused
Internal UUID01a0ae6c-0ee7-798f-9987-647b8cf9ee6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010568
StatusPUBLIC

Content hashes

Canonical texteb4cb68605749649788869af09bcf8deec94abf19d88e45ee79ff4b734173188
Markdown4ebf1aa98c08f48bd2becb18dcd1472d84839c2595e4075514310338cf0c485e
PDF
Publication page55f8bdc1db9c6d3bd8700c805f6ad52b351edaf0c54b81351644b8bbfe7ba34a
Manifest05fb61439f5cda1bb91f99e7089935aea15b781adcce976473f899d14f3af53b

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
SignatureHZ9b0p1Q34DYFGGm5aEYgWnWCEtAGFfM2bfu6M09nMs9xZuwHRcSm1TjonfVF0w9xzGLWQ8W4/5W+rx3QGL+Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:44.592016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010568
observed 55f8bdc1db9c6d3bd8700c805f6ad52b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:44.572929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010568/manifest.json
observed 05fb61439f5cda1bb91f99e7089935ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:44.554588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010568/publication.md
observed 4ebf1aa98c08f48bd2becb18dcd1472d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:44.536038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010568/publication.txt
observed eb4cb68605749649788869af09bcf8de...
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.