OpenTechnical

OT-2026-000085993

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, sustained blow-off 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-2026-000085993) never changes.

Identity and time

Publication numberOT-2026-000085993 · never reused
Internal UUID01a0ae99-e82a-7709-9ec7-faeaa0cd333f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085993
StatusPUBLIC

Content hashes

Canonical text4e11c0806a8a598ac08e01a5542856b436e12fe222abd3ff2115be677dcb276e
Markdown8734b7cf0f165eb8662251421e501443439e9ea16d84ae5ce5508b089a6250c9
PDF
Publication page8aeae62eecf3dc573e2f25aa8d9b1811375de4544b47884ec1f52c59f89871d4
Manifest34cd479f3355ad18b269598bd10a4b09c04c763261ac1158adaf96e4e8a66ed5

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
SignatureGl35Ltn6VmLtNOQxHlFHRYC2mNtDvdRu39tffJ14MaP6zHwmiE2kxjwL4Q+vS+gsfLXrhwn3YKpNIHY7FBy9AQ==
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

2026-09-17T09:52:58.483307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085993
observed 8aeae62eecf3dc573e2f25aa8d9b1811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.465713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085993/manifest.json
observed 34cd479f3355ad18b269598bd10a4b09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.447129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085993/publication.md
observed 8734b7cf0f165eb8662251421e501443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.428737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085993/publication.txt
observed 4e11c0806a8a598ac08e01a5542856b4...
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.