OpenTechnical

OT-2026-000057809

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000057809) never changes.

Identity and time

Publication numberOT-2026-000057809 · never reused
Internal UUID01a0ae88-6ed7-7efb-ad3e-9dc2e56bd8d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057809
StatusPUBLIC

Content hashes

Canonical text399227a8d988d918a6ad38aca290adad420b4cab617cbf9dff56f448bf5d7328
Markdown9f0f836f1bec13b0425a0f133dd6ead97ebd6bf893519a6a00cefaac4ac7f136
PDF
Publication pagefa902e0c49bfbbb20975d3bcb336dc2d75e1d671d454beeedf1f3c5acbca644d
Manifeste97e6a68eb817348976c81171bae8e3a2243a1ba0316da708028a4b9e3b9cf60

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
Signaturebl5kOj4NIpZHAZGmBoLG0HbhB5p8R5HmfGYGFbLmcrOd7u5MvwKWLH5We3sF6NM5+QnEyZOusZxIzSFmaeUaCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:22.642144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057809
observed fa902e0c49bfbbb20975d3bcb336dc2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:22.624475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057809/manifest.json
observed e97e6a68eb817348976c81171bae8e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:22.603644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057809/publication.md
observed 9f0f836f1bec13b0425a0f133dd6ead9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:22.585029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057809/publication.txt
observed 399227a8d988d918a6ad38aca290adad...
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.