OpenTechnical

OT-2026-000080001

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000080001) never changes.

Identity and time

Publication numberOT-2026-000080001 · never reused
Internal UUID01a0ae96-4377-75b9-a709-b79020adc6c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080001
StatusPUBLIC

Content hashes

Canonical text29983838986e251b3949beb544a7428835ff9471ff93f6812d3fa3adc53c247a
Markdownb281d8d70c3e40528640025d21db4f2dd508e75b3e1bf5c76a00e6248d51847a
PDF
Publication page411e051586bbd9ef9abc070a771291bb9da3e5c8b7a989a871c32c76f9d5958d
Manifest53954848f529bdc3f2e4266f3acae2155be19959989a06670a157813cb8bf81a

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
SignatureO8SxjGIajZdM7OJ65JLLcbsn8uBk/2rkEFLd5hoBvk4oKdMhq05BX/wSNYk6fP0mjaa0fL4nX5QZIOxICL40Dg==
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

2026-09-17T10:03:55.225113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080001
observed 411e051586bbd9ef9abc070a771291bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:55.206811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080001/manifest.json
observed 53954848f529bdc3f2e4266f3acae215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:55.187771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080001/publication.md
observed b281d8d70c3e40528640025d21db4f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:55.168354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080001/publication.txt
observed 29983838986e251b3949beb544a74288...
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.