OpenTechnical

OT-2026-000099759

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000099759) never changes.

Identity and time

Publication numberOT-2026-000099759 · never reused
Internal UUID01a0aea2-c977-70f5-b2b5-1d25d5f05f7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099759
StatusPUBLIC

Content hashes

Canonical text545b675a27abaf8847420c51939d1ffe78f2f2197717de029d42ca9effe69ec5
Markdown15f825fcd70808647977067758cdd95737a2dd22a712ce957cf56ce173c938c3
PDF
Publication pagea0e2d9ba7b69a946ae1e8937e23acf66ef68d9aebcf31ef6eeb9ba6e67b8dae6
Manifest540210e705b9f3b8b07d87462d9574f986167c0ef7a118a7099569eaedb0bee8

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
Signature9gC+CO5uUbnCibRRMqlWkeBk8CWX6EVBFg0MkNiSC5h5VuAoMOU/tKyZskOC0Yrtc6cX7460GkeI04S1SjXUBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:47.276456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099759
observed a0e2d9ba7b69a946ae1e8937e23acf66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.257857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099759/manifest.json
observed 540210e705b9f3b8b07d87462d9574f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.241173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099759/publication.md
observed 15f825fcd70808647977067758cdd957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.223795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099759/publication.txt
observed 545b675a27abaf8847420c51939d1ffe...
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.