OpenTechnical

OT-2026-000069489

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000069489) never changes.

Identity and time

Publication numberOT-2026-000069489 · never reused
Internal UUID01a0ae90-b52b-7473-8d85-23eae7a2e21c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069489
StatusPUBLIC

Content hashes

Canonical text22716c55cd1bf5624862d9bd2176d054ba9b0a8ca1a6ac6fdf89b89ae96c3ad4
Markdown968ff59918fcecb24ad1dd8b93d488545d84420e71ca923e9cd16752a9d56ed4
PDF
Publication pageecb7db1a53e8da5ab139c5a653fb639e174a61ea719a24918a28a81be2d5f8e0
Manifest99148f214454853fbdba2448aa62b3777075740c8b448a1c489a2103ec0fb334

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
SignatureMQx8lssp1Bl4puIFWUbsmYkfTusfpAyLCiXom0CuTy3CLM7Vw76vx0rsGI0EJEQXWFcLwZl4m/aHcp7KlnwsAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:34.210355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069489
observed ecb7db1a53e8da5ab139c5a653fb639e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.190661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069489/manifest.json
observed 99148f214454853fbdba2448aa62b377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.174455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069489/publication.md
observed 968ff59918fcecb24ad1dd8b93d48854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.156227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069489/publication.txt
observed 22716c55cd1bf5624862d9bd2176d054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.946134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069489
observed ecb7db1a53e8da5ab139c5a653fb639e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.927805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069489/manifest.json
observed 99148f214454853fbdba2448aa62b377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.909503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069489/publication.md
observed 968ff59918fcecb24ad1dd8b93d48854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.892534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069489/publication.txt
observed 22716c55cd1bf5624862d9bd2176d054...
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.