OpenTechnical

OT-2026-000053459

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000053459) never changes.

Identity and time

Publication numberOT-2026-000053459 · never reused
Internal UUID01a0ae85-0a90-73b2-833c-25744e51479b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053459
StatusPUBLIC

Content hashes

Canonical text6483d09443ee912fb380b97455137daa6f38c46f12739731857de1b3198072de
Markdownd45cff560fe2221e6f4f73331706002bf5ab477665980caacd894b0fc7df03d1
PDF
Publication page9b3b6409e1ec2b95abf4d50255f36d3a133dcd62a278b1b3f220e47ababdcb3a
Manifestabaf187b7ab3eafb83b78108bec551b8bf8f1fd3e582a45f1f23563300a918dc

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
SignaturejT2wv8ZlqEbWabqcZam7N5r1m1Xf6vrPPVQShdWyRxQ+Y/gIgjMgebUo3gg3Tx/zK6o8yiqy2qaXR3OYC/6+Cg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:12.460903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053459
observed 9b3b6409e1ec2b95abf4d50255f36d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:12.430840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053459/manifest.json
observed abaf187b7ab3eafb83b78108bec551b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:12.411078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053459/publication.md
observed d45cff560fe2221e6f4f73331706002b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:12.393286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053459/publication.txt
observed 6483d09443ee912fb380b97455137daa...
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.