OpenTechnical

OT-2026-000058210

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000058210) never changes.

Identity and time

Publication numberOT-2026-000058210 · never reused
Internal UUID01a0ae88-6edb-7ba9-bf40-54d49250a900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058210
StatusPUBLIC

Content hashes

Canonical textcb41a8e4bb1a356ee8981d265f2e75df22cdc47b3efa747ea60b97dbb12eabe2
Markdown62f808088384abd87375538892fe7f6052e33bb3ef018f53b7d28bfcd036463d
PDF
Publication page05cd803fd411c17e2a49385b23c340fe7dc4876aac3691964186ed118dc17cd2
Manifest91640327106cf6e82fb5d7e5c086ae189b5e661a3cdd04852e034074f6b91c9a

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
SignatureKWP3UkzJwBUmhG5xG9ht+1QNZ2OStw8pSY9NgiSYMCZHYkDynFIfyjKbuj+HZWQFEFw9xWC8Y2gns0ZZaKlUDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:52.019872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058210
observed 05cd803fd411c17e2a49385b23c340fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.000267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058210/manifest.json
observed 91640327106cf6e82fb5d7e5c086ae18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.981618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058210/publication.md
observed 62f808088384abd87375538892fe7f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.964568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058210/publication.txt
observed cb41a8e4bb1a356ee8981d265f2e75df...
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.