OpenTechnical

OT-2026-000012955

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000012955) never changes.

Identity and time

Publication numberOT-2026-000012955 · never reused
Internal UUID01a0ae6d-5564-78e1-bf7d-e39cea17dd2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012955
StatusPUBLIC

Content hashes

Canonical text593a236f5356a7a97cf818c326b3e199c0d88fd19ecbb24c99325073baaf8960
Markdown9fa521bb27e6b71d81604544cfa3a6136f6ea8656a8ac7054e80d4541f99bed8
PDF
Publication page1479f6687caf0275d1ed2979e258bc996b7bc7946ce8b3cd7b39a19902a1af5f
Manifest8216fc713d596846c2e5c74b551d9c7385ebd0066ded9954745a67ea0c538038

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
SignatureK4u9BsVgPLl4SwFF/I514TqAQXg+9A22F8oseS3SET/Z4qSnDrQGj8sruEsR3eDh6I0HMdx9rxr92UYLiGbBCg==
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

2026-09-17T12:10:45.724441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012955
observed 1479f6687caf0275d1ed2979e258bc99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.706698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012955/manifest.json
observed 8216fc713d596846c2e5c74b551d9c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.687359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012955/publication.md
observed 9fa521bb27e6b71d81604544cfa3a613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.666707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012955/publication.txt
observed 593a236f5356a7a97cf818c326b3e199...
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.