OpenTechnical

OT-2026-000073417

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000073417) never changes.

Identity and time

Publication numberOT-2026-000073417 · never reused
Internal UUID01a0ae92-efb8-7489-847f-fa5db5b398b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073417
StatusPUBLIC

Content hashes

Canonical text8e5f6d15598e80ab0704fd57cf7dc6b3beaf43d0f0fd03e7328bcb5a4d52831d
Markdownd28a71fcfe264ee51375449bf975e0e148de0728e0e93877741c77498c08c822
PDF
Publication page7eb8f060480f465be6e86fda08486df4a0c50259906578dda7905158cd6db6c4
Manifest606270a0e170eaab332be1b303991c925777790e0d3ac5a854f8ba28e11b845e

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
SignatureXiRkZxLDEf6hyf+FybCvy16by5/9q0bd0bwvu1JLAdgvcJ3ecpma6NPmxm5rdGAZxdHBwPMgN86WNGDyxgt+Dw==
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

2026-09-17T10:21:33.959942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073417
observed 7eb8f060480f465be6e86fda08486df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:33.940795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073417/manifest.json
observed 606270a0e170eaab332be1b303991c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:33.922034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073417/publication.md
observed d28a71fcfe264ee51375449bf975e0e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:33.901742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073417/publication.txt
observed 8e5f6d15598e80ab0704fd57cf7dc6b3...
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.