OpenTechnical

OT-2026-000089972

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089972) never changes.

Identity and time

Publication numberOT-2026-000089972 · never reused
Internal UUID01a0ae9c-428e-78cb-9672-d528b378d25a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089972
StatusPUBLIC

Content hashes

Canonical text5d003fcc5f0512a737afab40312d67a6b948d3c3f96afa7db0a10574d9b1fd01
Markdownfab88d56cfdb4762c6a26771641798954a56d0db1d2f2b5aaf5d71d88fd6ffd5
PDF
Publication paged2ff3f75832ba91dff86438ec01d1148c6106d11c7a88742573ee9f3193b8190
Manifest1495134bd7172d5f688b11595a2a62c94a6b5afe77caa0389909c1b2432c16ac

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
Signaturedu0ZPzSzei3ZoCJEhC7+gNP0oOOGJN5ODrzpgGbOEolcKD48nKJX21sIUlDhsEbL2IUiZkAjg/kTAOYBHcB8Bw==
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

2026-09-17T09:45:21.616382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089972
observed d2ff3f75832ba91dff86438ec01d1148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.598042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089972/manifest.json
observed 1495134bd7172d5f688b11595a2a62c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.580931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089972/publication.md
observed fab88d56cfdb4762c6a2677164179895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.562882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089972/publication.txt
observed 5d003fcc5f0512a737afab40312d67a6...
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.