OpenTechnical

OT-2026-000039801

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000039801) never changes.

Identity and time

Publication numberOT-2026-000039801 · never reused
Internal UUID01a0ae78-d8d5-7996-9a7a-b55872786674 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039801
StatusPUBLIC

Content hashes

Canonical text657c05a5302cba8b0eb2cc5e38e81ae54376c386f5f2c32fc0ea527534bb5392
Markdowndf5f51172cf3479d5d423d854bc8f543bc94e7717fdef91d548c402e7071b608
PDF
Publication page7384eb36ac8451ccc3fdcdfc7cded8c9b9a0d8737b586a611eba8d74f4477e18
Manifest1bce280fe1e785ffd5923c7acc399266bd5817a3c3536e1856f78e02aade6af2

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
Signatureod936IpqZNhsdl8olUFcQFErNEHMWL6PKIHoJcPdVSElOnapMiVzDf0I/CBzCPPZ6ht2FPn0T3yh2sBuxp6NDg==
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

2026-09-17T11:20:02.037418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039801
observed 7384eb36ac8451ccc3fdcdfc7cded8c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.020499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039801/manifest.json
observed 1bce280fe1e785ffd5923c7acc399266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.002226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039801/publication.md
observed df5f51172cf3479d5d423d854bc8f543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:01.985882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039801/publication.txt
observed 657c05a5302cba8b0eb2cc5e38e81ae5...
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.