OpenTechnical

OT-2026-000029578

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000029578) never changes.

Identity and time

Publication numberOT-2026-000029578 · never reused
Internal UUID01a0ae73-5e22-7b63-854d-f6baf035db66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029578
StatusPUBLIC

Content hashes

Canonical textfd237b83630026b64f09dab88f91b4ec1a5954af1fdcd276bc16b3121b5f9137
Markdownf67f902edc70c75c8df72a6ad360a0cd9cb161bb0f7ed8e73491e1d424e17722
PDF
Publication pagefc4dd240623d374060109b9b5ccacc04d16b8b5cdea0a594f2f8c5fff0e37772
Manifest9297f8d71423f7ea61b2640e5acbb3fbbe1c2e92fc67b9c271089a15b6690041

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
SignaturePPE46G6XJXII0DFLnv4BWCZbVgz5PWML/zp0KmbYJ7gUHZeoIogOlWyS/pomEMgtusu5sR6mafwjQzrrLPyFCw==
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

2026-09-17T11:39:16.101376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029578
observed fc4dd240623d374060109b9b5ccacc04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.081794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029578/manifest.json
observed 9297f8d71423f7ea61b2640e5acbb3fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.063993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029578/publication.md
observed f67f902edc70c75c8df72a6ad360a0cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.044478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029578/publication.txt
observed fd237b83630026b64f09dab88f91b4ec...
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.