OpenTechnical

OT-2026-000103520

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pulsed blow-off after set-down

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-2026-000103520) never changes.

Identity and time

Publication numberOT-2026-000103520 · never reused
Internal UUID01a0aea4-e461-7598-a0b8-1fafe8baee4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103520
StatusPUBLIC

Content hashes

Canonical text75dd58dd49a3626e1ff28ad7b98ff1dcc074b8908aa6873cd54fa386fb25ab77
Markdown9d78154aac98ba26144f2d71c8043c2bdd13ae1ac5dd05bf8bda475cfc32fe9c
PDF
Publication page0104c2082d14327b9c9f467481ecf9b79590d8b545729f1afaad3a6f5201e7e4
Manifest9e452821a75101dd2da75fa7e84c7a39389a377d702a5f5da30c32c39ca5e8de

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
Signature2CIqvQfgeXLbwhBy0UoVNrpPxi/6G1M1hffL+/hg03CZfxO4qPi5EKdTwOFHLQqVFX2+tClQsmKy+3/CahBmCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:17.437563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103520
observed 0104c2082d14327b9c9f467481ecf9b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.421215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103520/manifest.json
observed 9e452821a75101dd2da75fa7e84c7a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.404929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103520/publication.md
observed 9d78154aac98ba26144f2d71c8043c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.386864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103520/publication.txt
observed 75dd58dd49a3626e1ff28ad7b98ff1dc...
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.