OpenTechnical

OT-2026-000053510

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three 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-2026-000053510) never changes.

Identity and time

Publication numberOT-2026-000053510 · never reused
Internal UUID01a0ae85-0a92-7810-bfa3-27d39e8ff80f · 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-2026-000053510
StatusPUBLIC

Content hashes

Canonical textba5e163c338178cf8511336138c0d212f565f55d4ef089bc0e01d9db0ca33d87
Markdown8a5f7717c99e5548cb494bb6340dc4d512c4446c237a688da03e0e6977ba6e07
PDF
Publication page77a5a9334079e0a5c9becdff04111a31fc77ad68a5cb3f1afbc4d95fa6186e33
Manifest19949d5b23c7f728159845d211040161d5e52df048d81dc45a264329ac66ff23

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
SignaturewLeu2x3uBcPytYkv8+FV8UKG3XC6oU/pFQHYliAEA/6aU+N1O+GRjnsEZqTBeDufG4+PvYaXyE2m0BXjx9W5Cw==
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

2026-09-17T10:55:21.304133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053510
observed 77a5a9334079e0a5c9becdff04111a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.284162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053510/manifest.json
observed 19949d5b23c7f728159845d211040161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.264600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053510/publication.md
observed 8a5f7717c99e5548cb494bb6340dc4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.247543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053510/publication.txt
observed ba5e163c338178cf8511336138c0d212...
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.