OpenTechnical

OT-2026-000061338

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, vented after set-down

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-2026-000061338) never changes.

Identity and time

Publication numberOT-2026-000061338 · never reused
Internal UUID01a0ae8b-1384-7eb5-9b8d-04f36a388630 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061338
StatusPUBLIC

Content hashes

Canonical text80228facae0cc7876f2ca5dd98ad66971e586d769d943790117f661e99a76170
Markdown1d9163f5ca657e5dbb39253184ff9003a50f717411089b9d586a8608663f4e78
PDF
Publication pagee7779ad0ac04b66014f93d9d782f432d358a18b95195e91e72bfd067a9c0cc85
Manifest70f9d5a94da9f97013a7fe1304a87f890051d3256cfe9c3c9acb9b6c32353a34

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
Signature22fJdTBFGnIVrStqq6fmTBMBTaXRB28H4JR1dxAiNd8yWL9a1kkcV/Qw4N0pjArYNdpe+WPeu+samK8MINGjAA==
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

2026-09-17T10:42:46.672022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061338
observed e7779ad0ac04b66014f93d9d782f432d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:46.654106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061338/manifest.json
observed 70f9d5a94da9f97013a7fe1304a87f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:46.637832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061338/publication.md
observed 1d9163f5ca657e5dbb39253184ff9003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:46.621012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061338/publication.txt
observed 80228facae0cc7876f2ca5dd98ad6697...
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.