OpenTechnical

OT-2026-000062238

Publication integrity record

Foam pad vacuum gripper, two stage ejector, vented after 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-2026-000062238) never changes.

Identity and time

Publication numberOT-2026-000062238 · never reused
Internal UUID01a0ae8c-0abd-724a-9287-6b619adbf85e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062238
StatusPUBLIC

Content hashes

Canonical text5b7cc094a04cdefa342618d6bde1f5db9610cbfd19fbc35504c14190502eb853
Markdownbae1ea61c6a6606aa13841a8b0a17d348227eebcfc4ffa7494f97a21c810492a
PDF
Publication page8c2218c61e93cc42fa548604c3f648aca8cc8b70e0a7a43ba5bb95f6f69a20ef
Manifest5000a57641bab30b5d462d68f4af2cfa0148cb484e0dd94f18c260326ae74ef0

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
Signature4VPlPKTqQAnNjYjmqwxzW38IsYUZwb1ZSXdu8SmlKvEP9R63LanrHzdgf5Q4NI4zNtvod6iXQXAVrW3rbSezBg==
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

2026-09-17T10:39:30.798031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062238
observed 8c2218c61e93cc42fa548604c3f648ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.780287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062238/manifest.json
observed 5000a57641bab30b5d462d68f4af2cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.762532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062238/publication.md
observed bae1ea61c6a6606aa13841a8b0a17d34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.743747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062238/publication.txt
observed 5b7cc094a04cdefa342618d6bde1f5db...
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.