OpenTechnical

OT-2026-000030060

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000030060) never changes.

Identity and time

Publication numberOT-2026-000030060 · never reused
Internal UUID01a0ae73-ac4a-791e-9fff-8c33c3ed61c3 · 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-2026-000030060
StatusPUBLIC

Content hashes

Canonical text56b6dd6a0502fb555cde66d3af127363bc6ebdce488997d997b879d19d6ec4c0
Markdown5dcff94ad50fc770a93ab66f9cf67cfaff0068aac60ce4e3c89e77912799cffb
PDF
Publication page4973832df33b5db8fa18d2d2c3cfc10ef2b212465fdfeb5c8ce255ec8a5841d3
Manifest52ab33c6a28c00de8352c724a0ec9590d40fb7256f311de68425546932410d02

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
Signature/3oBjImoygd4sJn+GlJOR6AnGw5ddQ1DgSZteZG1hk2z2jmSZ5WiFiJhnxc0Lo5jEeTr2M2LIMZzE+96bpXGAA==
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

2026-09-17T11:38:48.104323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030060
observed 4973832df33b5db8fa18d2d2c3cfc10e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.086718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030060/manifest.json
observed 52ab33c6a28c00de8352c724a0ec9590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.070579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030060/publication.md
observed 5dcff94ad50fc770a93ab66f9cf67cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.054294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030060/publication.txt
observed 56b6dd6a0502fb555cde66d3af127363...
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.