OpenTechnical

OT-2026-000053894

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000053894) never changes.

Identity and time

Publication numberOT-2026-000053894 · never reused
Internal UUID01a0ae85-735e-799a-a33b-6766e0dee354 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053894
StatusPUBLIC

Content hashes

Canonical text2b7fc90ae9391e36ac1159a46414593984a44d2400215b386ffe7f11a3e4039d
Markdown22dbf76f701c7fa772fc6f4f0be0527270ec15c1e23ab8b386fd7a830f44427a
PDF
Publication page4abd44358272e8fb96527f3d98bd7c63620b78678903adb2fc675d5b3b6bb6eb
Manifest655eb946c69305300d3c3e0df2acd4fa4025ad44ccfdbc0c7d47abc1b95467f6

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
Signature+AoNRpwKPNNkEQIeY8ogOUTMyg9mzOhd79bek8Lyu3miB39A7R/kS7BO33mSORnbdy1MMa5lQ81u4mdH42wVBw==
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

2026-09-17T08:40:44.501729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053894
observed 4abd44358272e8fb96527f3d98bd7c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:44.485328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053894/manifest.json
observed 655eb946c69305300d3c3e0df2acd4fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:44.466132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053894/publication.md
observed 22dbf76f701c7fa772fc6f4f0be05272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:44.319751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053894/publication.txt
observed 2b7fc90ae9391e36ac1159a464145939...
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.