OpenTechnical

OT-2026-000030320

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000030320) never changes.

Identity and time

Publication numberOT-2026-000030320 · never reused
Internal UUID01a0ae73-e501-7ef4-8f04-5379751e7cfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030320
StatusPUBLIC

Content hashes

Canonical text3e3523f44788794df5bd4e583f4343ad47b69d357a668e1fb4d2875e1a5f1fb1
Markdown4d2c0682082531c9c3b4cbce3c45c02dab5aa1c243b0d37bd4b180e4bd661006
PDF
Publication page4b9605dcfa7614d8ae4fa2f7e020c3dcdbb9a1ec576d30ff3e74775f34073cc8
Manifest1dc372dfede6920b7e96276c49a42d61413add0fa50be7d88937981c539fcfc4

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
Signature/gx+twncPcBIJohGRx9V8r3mVhW539JGH8ao7Ik0PpfPWbwrNyeCiWdx1G3tnQ5r23vHbaeXkQNVSaGS97o1Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:01.612669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030320
observed 4b9605dcfa7614d8ae4fa2f7e020c3dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.594647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030320/manifest.json
observed 1dc372dfede6920b7e96276c49a42d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.575452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030320/publication.md
observed 4d2c0682082531c9c3b4cbce3c45c02d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.557450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030320/publication.txt
observed 3e3523f44788794df5bd4e583f4343ad...
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.