OpenTechnical

OT-2026-000051851

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000051851) never changes.

Identity and time

Publication numberOT-2026-000051851 · never reused
Internal UUID01a0ae83-7c84-7a4d-930f-9dbe8a22f0cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051851
StatusPUBLIC

Content hashes

Canonical textf6b4f6ad02a07c0562a14e5540af2b122e5af4eb881ff7b67bd0adee28f9c6ad
Markdown35057368c8788cbabd3d4222a896bd36de6eedc0ab55ffa153ab8994c1b150ef
PDF
Publication pagea4d45ad7c093978d83acb6b7e39eb2027cc975a86f66d44dc3d40960d6b70c26
Manifest2dcfb00a6d23612ea95e5223771fdbd650030b3cdc3b69e1f7fa4563556849c1

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
SignatureT0teOhOzdbvA4Zy6yc0jxtz3ZYEiPyAgKBTw64VMFdI4U2ehcFfCjHYgIOA/XcQaKgIV+ti7Deioz95hHA2oAA==
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

2026-09-17T10:58:46.920123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051851
observed a4d45ad7c093978d83acb6b7e39eb202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:46.899910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051851/manifest.json
observed 2dcfb00a6d23612ea95e5223771fdbd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:46.881423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051851/publication.md
observed 35057368c8788cbabd3d4222a896bd36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:46.861432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051851/publication.txt
observed f6b4f6ad02a07c0562a14e5540af2b12...
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.