OpenTechnical

OT-2026-000052566

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000052566) never changes.

Identity and time

Publication numberOT-2026-000052566 · never reused
Internal UUID01a0ae84-573b-7f19-be29-081eb16bf4d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052566
StatusPUBLIC

Content hashes

Canonical text121b9ef69bd65cec2b5f63a06dea8d2086a429830328016ef0aae251f8219fa8
Markdown30c0ef6136c8d20cdf6b583bf319747135619dbd7e75e7c801bf0ab6ac8a6351
PDF
Publication page450e3e66aba78819c6425623d189ff22a3d0580d6b58e2a281d2107039b88db3
Manifest30aafba6cd9bd26c2262c2930b50728d095fb9fb924dec65726377c08b445e62

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
SignatureuZUpC5quFAW0s8gow0menZgrtg+aBaCjDBK99/5xdJL+u3e7Ig8uZl2Vx6RVEDx6CRmCqzZseEqmpdtjRP6vAA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:13.452119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052566
observed 450e3e66aba78819c6425623d189ff22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.433436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052566/manifest.json
observed 30aafba6cd9bd26c2262c2930b50728d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.416650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052566/publication.md
observed 30c0ef6136c8d20cdf6b583bf3197471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.397011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052566/publication.txt
observed 121b9ef69bd65cec2b5f63a06dea8d20...
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.