OpenTechnical

OT-2026-000053390

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000053390) never changes.

Identity and time

Publication numberOT-2026-000053390 · never reused
Internal UUID01a0ae85-0a8f-73a2-9eb1-99eac28223e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053390
StatusPUBLIC

Content hashes

Canonical text5c05bcb84b7d929777d50a389c1ab5bb326a5adb06842253be4ea7247bab1e31
Markdown099f226423a7311d96c700d9846369a01243d11db5ccb395b521fa382726f684
PDF
Publication pagef5d37b146307e63860fe9e4569a247adc9adda6a4d58bf5154f60986eb5c3b42
Manifestf09e5855e8e6e43c4d588e8afbc6fb178de5fd268daa5a9a512e49c0790a7cbe

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
SignatureShzVnjKvSnxTJ19fD46dQ02FsPR7H6SSK5BOHvhIvk9+o4NIifI8P9J/W0rxwrsLYSeQVk6ZS0EdeGZ1vONzAA==
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

2026-09-17T10:55:06.781040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053390
observed f5d37b146307e63860fe9e4569a247ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.764443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053390/manifest.json
observed f09e5855e8e6e43c4d588e8afbc6fb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.746976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053390/publication.md
observed 099f226423a7311d96c700d9846369a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.677896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053390/publication.txt
observed 5c05bcb84b7d929777d50a389c1ab5bb...
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.