OpenTechnical

OT-2026-000029087

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000029087) never changes.

Identity and time

Publication numberOT-2026-000029087 · never reused
Internal UUID01a0ae73-2a9f-766c-89cc-8ecd38adb185 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029087
StatusPUBLIC

Content hashes

Canonical text0f734a721d366740bdf6136b3d7505c21320354f5176df8056d1caa8e9f7da9e
Markdown9031eaaa2aaca74be1479a6ed6d891c9edeef0f5804181c2832cba1fc2bf4b33
PDF
Publication page48fe7bafbdffc1a5b63211204113597d1097a4539057969c326700f554bbaca4
Manifestc309e8f83a8d895ca471e6db8029c47ff4687c8d8028ec462eca38e68eb3109e

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
Signature+8DRHp5B/fOVXfLPLTqhb3e/MggFUUoyq3HKLgcXAFt6ubcPespIZKYlnukwHQkTZuu8OynoYXLAZuc7iO1aAA==
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

2026-09-17T08:20:48.489886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029087
observed 48fe7bafbdffc1a5b63211204113597d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:48.471628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029087/manifest.json
observed c309e8f83a8d895ca471e6db8029c47f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:48.452943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029087/publication.md
observed 9031eaaa2aaca74be1479a6ed6d891c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:48.298908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029087/publication.txt
observed 0f734a721d366740bdf6136b3d7505c2...
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.