OpenTechnical

OT-2026-000018995

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000018995) never changes.

Identity and time

Publication numberOT-2026-000018995 · never reused
Internal UUID01a0ae6e-d523-78fe-88b0-91df88687601 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018995
StatusPUBLIC

Content hashes

Canonical text4ce60c02fdc82ac46a9d5d2f333c29b58d77bcd7e1e1edc94e64fa8bbac0c7cc
Markdowndfd48d02f75c05f9dd1d59c0f83baee3646bf752f7b35adbbc644941ba37e781
PDF
Publication page25e19a86eda244bdee2718a2c8ca1d4cae0058921307b86086fc16b49016fc76
Manifest52f991ee7bc152818deaadf135b8a2f375f24867fecca3c156a2bee2417dca0e

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
SignatureVHZxBVnhTwCyG0KDmpCBApDoyV/Bo32nthXiqwNLnmAYfW2gOnaPJTlvDsrFSzWTMqeil2Oowq0gZcONiAHkCQ==
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

2026-09-17T11:59:40.711578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018995
observed 25e19a86eda244bdee2718a2c8ca1d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:40.691811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018995/manifest.json
observed 52f991ee7bc152818deaadf135b8a2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:40.673976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018995/publication.md
observed dfd48d02f75c05f9dd1d59c0f83baee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:40.657730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018995/publication.txt
observed 4ce60c02fdc82ac46a9d5d2f333c29b5...
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.