OpenTechnical

OT-2026-000067450

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000067450) never changes.

Identity and time

Publication numberOT-2026-000067450 · never reused
Internal UUID01a0ae8f-6bd9-7684-b07c-9a27240eb548 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067450
StatusPUBLIC

Content hashes

Canonical texte2af200ca71462d467f21a229279b2b743d442a94f29749b77ebdc127782774f
Markdownfd384fa2dea6e5398f0739c3131e132890a98e85df5bd358cda4f3570ac7f4a9
PDF
Publication page51ca8fc3b872c235d104dba1fb2206f92910f248fd2235259566e8f70fbe5b5a
Manifestcf93e696e0673e11022ed1f594154527b2ea09fbf6eeefc95f0d4dccada29a5a

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
SignaturehddqyCZz6c5wh4iFlGft/0ObPopGmoPZUlY9ljANNNZn7fcDeQqBbcEoogFnzk3RxYotsiifzzTuJa868Ku9Bw==
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

2026-09-17T10:31:39.311259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067450
observed 51ca8fc3b872c235d104dba1fb2206f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.291909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067450/manifest.json
observed cf93e696e0673e11022ed1f594154527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.274624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067450/publication.md
observed fd384fa2dea6e5398f0739c3131e1328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.258778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067450/publication.txt
observed e2af200ca71462d467f21a229279b2b7...
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.