OpenTechnical

OT-2026-000077973

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000077973) never changes.

Identity and time

Publication numberOT-2026-000077973 · never reused
Internal UUID01a0ae95-2ed1-7cea-9eb0-b43c04676a24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077973
StatusPUBLIC

Content hashes

Canonical text04b24d43bebb3b83606017c17bfbdd0e3941a9776308016d659389d3a5c26f00
Markdown30f743a29bf0ec971542baadd817a5d9c055429ae32bf320b32f9538887faa3b
PDF
Publication paged335f9010f51652f2c1d39309c513e27733a61e875a9c80f68c1575cdc578bab
Manifest80cde0d76cef95c24a2c152d54d83e83bb476a16feb793bad0d4f494b97509f2

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
Signature1OAdtZyWdxSgoD6E92a2dCI4zat+thaE6O9dBG0j9R/ZukU/tCE3KqRKy9EFp7EMCgKSgkVTjcGfCw9fHik3Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:10:22.979041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077973
observed d335f9010f51652f2c1d39309c513e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.956717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077973/manifest.json
observed 80cde0d76cef95c24a2c152d54d83e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.806050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077973/publication.md
observed 30f743a29bf0ec971542baadd817a5d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.783863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077973/publication.txt
observed 04b24d43bebb3b83606017c17bfbdd0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.483312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077973
observed d335f9010f51652f2c1d39309c513e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.464551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077973/manifest.json
observed 80cde0d76cef95c24a2c152d54d83e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.444898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077973/publication.md
observed 30f743a29bf0ec971542baadd817a5d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.426228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077973/publication.txt
observed 04b24d43bebb3b83606017c17bfbdd0e...
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.