OpenTechnical

OT-2026-000013095

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000013095) never changes.

Identity and time

Publication numberOT-2026-000013095 · never reused
Internal UUID01a0ae6d-5565-752a-96ca-8004e35ae14b · 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-2026-000013095
StatusPUBLIC

Content hashes

Canonical textc0bedec4d092d64a03dffc7474a6c4bcd283e1e5739c354f2f43e9c11fe7c427
Markdown8b031c44e19033fcfe18a3a53bdd5414065387ec31011b16563c0f6190a5fbf1
PDF
Publication pagebd21a2cda548565d868b2c76a82dcf454270dd3cf8faa51de69113dca1553386
Manifest4882102616f3a6888e915d7c048b2a49f57f3decbbe761e4f1c6e6119429f91f

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
Signaturebo/LntlyLL/PN37v+vvAWRHCRFcwI37V4xQhhl87TQRpekjWSpYuC6xRr8xlUvhgu3ZMPgz6yPMEU89o0N6HBg==
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

2026-09-17T12:10:56.691297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013095
observed bd21a2cda548565d868b2c76a82dcf45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.672552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013095/manifest.json
observed 4882102616f3a6888e915d7c048b2a49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.654706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013095/publication.md
observed 8b031c44e19033fcfe18a3a53bdd5414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.636415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013095/publication.txt
observed c0bedec4d092d64a03dffc7474a6c4bc...
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.