OpenTechnical

OT-2026-000089136

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line 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-2026-000089136) never changes.

Identity and time

Publication numberOT-2026-000089136 · never reused
Internal UUID01a0ae9b-db00-7803-9928-057a5642eaed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089136
StatusPUBLIC

Content hashes

Canonical textd428a41fc66400a90b06b7d0877c4239e86c372ab71bd949d90b816305ea2394
Markdown98bc91b92880d8118e641ac20deab5371ea68c51e4da651368b969601d766992
PDF
Publication page9771288266aa408cc51b8ce46f456f48ae7c73c9f9d0a85283de6ff69f2dda72
Manifest2f8e6ec02b3ff0151a8dfc8244c9aaac8cdb03518f6659c8f866239e104ac459

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
Signature5d4PxQTbCGe+FkQuPSROVx52F/H0FReVNu5eN5aP1YtIpKxhV+TxKoQPg0rOl/NZSK9ag4HDiwgx/spTJsC4Dw==
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

2026-09-17T09:47:03.265804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089136
observed 9771288266aa408cc51b8ce46f456f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.250489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089136/manifest.json
observed 2f8e6ec02b3ff0151a8dfc8244c9aaac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.232232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089136/publication.md
observed 98bc91b92880d8118e641ac20deab537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.215491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089136/publication.txt
observed d428a41fc66400a90b06b7d0877c4239...
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.