OpenTechnical

OT-2026-000093617

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000093617) never changes.

Identity and time

Publication numberOT-2026-000093617 · never reused
Internal UUID01a0ae9e-508b-769f-a7fc-57d56f767edd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093617
StatusPUBLIC

Content hashes

Canonical text5bd02980d002523f9939011b6ec48419d682031ffe469e8c4180f5a5070ccaa0
Markdown5938b409f02d0460b8adb8e98464c393c903cdab3fd00e1c2b3ab2061a655dc6
PDF
Publication pagea2c0bf267684072c92318ab5bae69505d9153479f61376d1afa500b7864fe529
Manifest74bec9644c6cf4e4cd7dc091b256d3c5c7c9118b8fcf7947971114d6e6593107

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
SignatureUg27fqJ/VStBihGuKx0ryaA+LW4VLzkwYuzgWbhiYb3gM/zUs8za/IJqMDU/uipn5YtJXd2jW0s7Zxm8zqTUBw==
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

2026-09-17T09:39:39.945476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093617
observed a2c0bf267684072c92318ab5bae69505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:39.928867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093617/manifest.json
observed 74bec9644c6cf4e4cd7dc091b256d3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:39.910397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093617/publication.md
observed 5938b409f02d0460b8adb8e98464c393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:39.892615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093617/publication.txt
observed 5bd02980d002523f9939011b6ec48419...
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.