OpenTechnical

OT-2026-000101442

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000101442) never changes.

Identity and time

Publication numberOT-2026-000101442 · never reused
Internal UUID01a0aea4-0e14-70e6-85b6-478c293b4565 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101442
StatusPUBLIC

Content hashes

Canonical text6d31140fc9267ef7073648c8aec460a3d9d4f7f0567ffa5df178a784b5e9899c
Markdown39096cfd6c0a32ed62c6b10624a2b7b1199848041f1f50b577fd9ae0d7cf07f1
PDF
Publication page1152cf7e58567815cf1abbd2f2e89119e493fb04f95b923b4641f23ce8843232
Manifest2d24a18210d90b2fec7630fa6741b53dc793d169f5ac6e0a6d3cdc3e5c29646f

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
SignatureWFST6fGvn+uAlrmlNBq7eELD6dI4Q/DgdbtmuObvC5z3JmSjrVSZzR9Gb+/snJcl9zjq1kIQT4Sfkd7G/+C4Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:00.266247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101442
observed 1152cf7e58567815cf1abbd2f2e89119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:00.248904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101442/manifest.json
observed 2d24a18210d90b2fec7630fa6741b53d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:00.231703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101442/publication.md
observed 39096cfd6c0a32ed62c6b10624a2b7b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:00.212672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101442/publication.txt
observed 6d31140fc9267ef7073648c8aec460a3...
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.