OpenTechnical

OT-2026-000030068

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000030068) never changes.

Identity and time

Publication numberOT-2026-000030068 · never reused
Internal UUID01a0ae73-ac4a-737b-875d-1e0f4d3668c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030068
StatusPUBLIC

Content hashes

Canonical textaaef5109034c57fcb448c2b766ec138b0dcd446a9bb28d8bc162c81210af9dc4
Markdownbb0295323772a0d6d512dd3da80d8de613914b545154ed4d526d23fb7636460d
PDF
Publication pagefb707889f5006ca83f6e9edba14550c94e79c91dc067e34cffe1a5320d1dea34
Manifestac1a25e8ac031ea31456c9652b9463157756424b0b692a25a08445899c45614f

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
SignaturetLw2fyw1L7Kpdvip2/ro6sqV/G08G/D9VoNW6XTB0PzSFXBaGVT+1/CWU5YdXXTnoK2gIw9UQUvs5OA1MA47BQ==
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

2026-09-17T11:38:48.681923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030068
observed fb707889f5006ca83f6e9edba14550c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.664298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030068/manifest.json
observed ac1a25e8ac031ea31456c9652b946315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.647457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030068/publication.md
observed bb0295323772a0d6d512dd3da80d8de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.631621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030068/publication.txt
observed aaef5109034c57fcb448c2b766ec138b...
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.