OpenTechnical

OT-2026-000011715

Publication integrity record

Single cup vacuum gripper, pump 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-2026-000011715) never changes.

Identity and time

Publication numberOT-2026-000011715 · never reused
Internal UUID01a0ae6d-1940-76e1-8e22-9d383f4520b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011715
StatusPUBLIC

Content hashes

Canonical text6117cbbc03e27be1bd91c311fafdd8da7c2a707b67fdb357ebd4099d9fc8ad3d
Markdown9bb2e749a9556b6c7631338a7518b7d803792d02d136d30d0ff7646b577150d5
PDF
Publication page599465dd366b592fd9ba317af25f8a015ccd36c0583334efb8b6ab8ad7ac615b
Manifest4ff78802d67fba875d83b9071df39ae684344a6ead075232e88ef5bfbaad6a2c

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
SignatureXozMygvOp7rfzAVRcvMhwUIvZ800kON5MKz/E0cttRjoRPY8QzdqwmYwKNdXwzExFE43ITUeZfsBpGcXtPWICg==
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

2026-09-17T12:12:19.626152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011715
observed 599465dd366b592fd9ba317af25f8a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.604948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011715/manifest.json
observed 4ff78802d67fba875d83b9071df39ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.587534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011715/publication.md
observed 9bb2e749a9556b6c7631338a7518b7d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.570608ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000011715/publication.txt
observed ...
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.