OpenTechnical

OT-2026-000060216

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off after 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-2026-000060216) never changes.

Identity and time

Publication numberOT-2026-000060216 · never reused
Internal UUID01a0ae8a-5a73-74ff-9535-8c4e8a5fcec5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060216
StatusPUBLIC

Content hashes

Canonical text9002825c4b768bc6274d3a730f7d94f3dac653c71fedbaaf6ef97fd9f420f704
Markdown650e8617594e22725a6bb2bdf7a128f3d19f6567b42e2e2acf38aeb26ca60512
PDF
Publication page6ba28ae0f75c0a0a9ac8e4b9562e87e377060c17cdbb44f87d08d511da30eb32
Manifest894472a45f12c7d6aada880c6b1c2852e95e73ba8670c5b1ae320b2f6d732f84

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
SignatureUjByY9+t+XLubFqW2yqo+mYqQ/eY1MjRff/xxDpP9ixhK8OYw1XZvSH+53eQJH2z6N6XHV8UIWqf4Yh9zobqDw==
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

2026-09-17T10:43:53.469418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060216
observed 6ba28ae0f75c0a0a9ac8e4b9562e87e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:53.452586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060216/manifest.json
observed 894472a45f12c7d6aada880c6b1c2852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:53.434830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060216/publication.md
observed 650e8617594e22725a6bb2bdf7a128f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:53.416384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060216/publication.txt
observed 9002825c4b768bc6274d3a730f7d94f3...
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.