OpenTechnical

OT-2026-000018255

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000018255) never changes.

Identity and time

Publication numberOT-2026-000018255 · never reused
Internal UUID01a0ae6e-b488-7da9-95ce-244ba3c2d2bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018255
StatusPUBLIC

Content hashes

Canonical textc0639473a9fe5a38090295afc251e2f71a437dbb76a8592a7af8100d845ec760
Markdownb6f520c3e3c2e24f5d6690666a8525d12354eb7b25ea0601a781f7c25e52d217
PDF
Publication pageeae12d9f71205cf0842a6663cb9a2a2af45949d00af5112967d6c820209477b5
Manifest14b0bd4c28063afdf1114c68c3d4a558174a4099aee5c00686e7c911f65ae263

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
SignatureBjCU+NJNBjUNtPlM4dhrPz26fqLoOTqAqiY61A8XxG2kFHYxQSu1uARYgvz1TItSo6bbv0bQyINBNv2NCcwiCw==
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

2026-09-17T12:00:05.052791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018255
observed eae12d9f71205cf0842a6663cb9a2a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.037313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018255/manifest.json
observed 14b0bd4c28063afdf1114c68c3d4a558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.013689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018255/publication.md
observed b6f520c3e3c2e24f5d6690666a8525d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.992682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018255/publication.txt
observed c0639473a9fe5a38090295afc251e2f7...
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.