OpenTechnical

OT-2026-000075300

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000075300) never changes.

Identity and time

Publication numberOT-2026-000075300 · never reused
Internal UUID01a0ae93-f200-77fb-b553-5993cd09a752 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075300
StatusPUBLIC

Content hashes

Canonical text199a6e4852008c317f4dfe081e59f03dffc58ec101d500ec55762df2540ceb79
Markdownd07921bd7cd6b4ae1642f6b6103ec3cdd4ce3fc42f7a0dbf32a11fd104f3e5b7
PDF
Publication page0c832b558560e3aaa325d6c73214b55dcc6b1584dcd12bc57115c7f3b96b2391
Manifest429900e79cd194f529018c1bb6ac47f67a1d51bc85fc5691c3eddd7305c73a9d

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
SignaturedPL4622uz+I9PHglRR1+iLMS7S0eFJJWvKWC3184G1hRpZeuayuq2r2JKYO8FzUyj1sgHBdTM/L2anxcXLNXCw==
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

2026-09-17T10:20:42.783898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075300
observed 0c832b558560e3aaa325d6c73214b55d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:42.764736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075300/manifest.json
observed 429900e79cd194f529018c1bb6ac47f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:42.746510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075300/publication.md
observed d07921bd7cd6b4ae1642f6b6103ec3cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:42.728437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075300/publication.txt
observed 199a6e4852008c317f4dfe081e59f03d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:05.305591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075300
observed 0c832b558560e3aaa325d6c73214b55d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:05.289077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075300/manifest.json
observed 429900e79cd194f529018c1bb6ac47f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:05.270854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075300/publication.md
observed d07921bd7cd6b4ae1642f6b6103ec3cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:05.251519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075300/publication.txt
observed 199a6e4852008c317f4dfe081e59f03d...
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.