OpenTechnical

OT-2026-000069964

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented before set-down

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-2026-000069964) never changes.

Identity and time

Publication numberOT-2026-000069964 · never reused
Internal UUID01a0ae91-1860-79f4-b955-13bef6ab8fb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069964
StatusPUBLIC

Content hashes

Canonical text84e8f91fe49ee00b701e94023f8570dc34cdce32ffe4a31fa7427de2aae71ced
Markdownae9a0e98fc1afa745b465650fe20063f660d817095e736ece34fae4d3312db7c
PDF
Publication pageb22f384fccc27764a1d6d03a43db10992beeb599646d62fef59ad40dc5a335b3
Manifest66cb7efbae98299cc21cfaddf2794d47c2e05c8bdaba1339ca8e9ddd5b33a236

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
SignatureszaIpB6sGX3R2PWhATLMGDnDtt1r5cK89rp4EAbY+b0RAVi/8eGq+TkNlMKk4IHjWxUwVT+cIa1QhG4RxSMiBg==
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

2026-09-17T10:26:54.316800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069964
observed b22f384fccc27764a1d6d03a43db1099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.298062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069964/manifest.json
observed 66cb7efbae98299cc21cfaddf2794d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.278811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069964/publication.md
observed ae9a0e98fc1afa745b465650fe20063f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.261102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069964/publication.txt
observed 84e8f91fe49ee00b701e94023f8570dc...
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.