OpenTechnical

OT-2026-000089154

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000089154) never changes.

Identity and time

Publication numberOT-2026-000089154 · never reused
Internal UUID01a0ae9b-db00-7eb9-8ba7-582be1db0bcf · 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-2026-000089154
StatusPUBLIC

Content hashes

Canonical textf9439c5cda7ad0d2862b61fb472d4ea1ee1a93acf15494f8529f090150a5dd81
Markdown5219bb0fc7a6c2fad02397709452ff230e19b3e39586160b0b8785bebc228fa1
PDF
Publication page5e708f3884bcf3892b3f27a8b7170cbbc724420b52ee2d148f09b5eba4310fd9
Manifesta312cd06407432e25d673c0c21f88fbfbe8150b8f683093120311d732e1bbf33

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
SignatureXX9t2d1Wqd5j9EW32hyAPdIfA0Gde7XDcnCHHb+gPyEkAakX2U1xLMcSJphZqw3ifzPv65eJVpGkGxe3EuJJAQ==
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

2026-09-17T09:47:04.686234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089154
observed 5e708f3884bcf3892b3f27a8b7170cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.669567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089154/manifest.json
observed a312cd06407432e25d673c0c21f88fbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.651608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089154/publication.md
observed 5219bb0fc7a6c2fad02397709452ff23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.634229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089154/publication.txt
observed f9439c5cda7ad0d2862b61fb472d4ea1...
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.