OpenTechnical

OT-2026-000017759

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000017759) never changes.

Identity and time

Publication numberOT-2026-000017759 · never reused
Internal UUID01a0ae6e-96fa-7ae5-8de8-4c54678bef25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017759
StatusPUBLIC

Content hashes

Canonical texte9f32f454546db5230d655a50da687bd40d6b273c0a74539360a3ccc9ef767e5
Markdownbf5cdcb57c2c83767641748769bcd96a18189c634f982f7334045ed3c4bbc896
PDF
Publication page5fa32529074c3725a8a87080966295df9f83cebbec15d9ebbe90ad1b51a4d72b
Manifest4f2f4372d01eb8cd5576a7989e64930291986390d8ee1f931b3487b608ed545b

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
SignatureOok8ivZDbg57Cl8YtvzyCE55BhmC3T4unI+sqxnAW1NoCSFDdgNZNXX/ua1hbxu1QnMiMo1nvUrNs517kfMXCw==
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

2026-09-17T12:01:42.908881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017759
observed 5fa32529074c3725a8a87080966295df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.893717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017759/manifest.json
observed 4f2f4372d01eb8cd5576a7989e649302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.877947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017759/publication.md
observed bf5cdcb57c2c83767641748769bcd96a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.862682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017759/publication.txt
observed e9f32f454546db5230d655a50da687bd...
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.