OpenTechnical

OT-2026-000082910

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000082910) never changes.

Identity and time

Publication numberOT-2026-000082910 · never reused
Internal UUID01a0ae97-8cca-7963-9688-4fafd55aac1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082910
StatusPUBLIC

Content hashes

Canonical text5d98ef66eb622c3c3cb7d68802b84573d847befce9f37d06da763c8b0e72e948
Markdown149be5971351247e04a03fe17a396053f29d212ae9580968bf38ea930958a191
PDF
Publication page6cfb3f9a8d48d6419c42108b3600d1233bbdb9942235c292447bbaea0abac7b3
Manifest20faea78caa904e2f58b72ea2c9c374735b8f3562fc882233f6da080c11cc111

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
SignaturekFboaBxHmuyxXKJD0/Rnwomh0hI5Dk/3CO9YkuwFCYgGdyU6JuAdmgoJPNR7wjiHXTJ/2i5d06JZRnnBsllXAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:35.988740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082910
observed 6cfb3f9a8d48d6419c42108b3600d123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.971885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082910/manifest.json
observed 20faea78caa904e2f58b72ea2c9c3747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.955923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082910/publication.md
observed 149be5971351247e04a03fe17a396053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.939928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082910/publication.txt
observed 5d98ef66eb622c3c3cb7d68802b84573...
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.