OpenTechnical

OT-2026-000037856

Publication integrity record

Single bellows cup vacuum gripper, single 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-2026-000037856) never changes.

Identity and time

Publication numberOT-2026-000037856 · never reused
Internal UUID01a0ae77-f889-799d-8c96-1edcb8b74ee3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037856
StatusPUBLIC

Content hashes

Canonical text8b7f3e5c4c6f0456ce7a235bf953467e95bbd09f70297e85dfea879fc75808d3
Markdown39e325b8b11da1b0dc2be656409b5dc02dabaadd6f4d90367044a6d1113706ca
PDF
Publication pagec0905e0cba8802b363cf1d0da06e787262ac7237bbcdd2fd5f1907a4ba6b9e6a
Manifest730b5e6aef593ca8c9f464cdac62362cac495af1d5ce0990003181636631e7e7

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
SignaturekJ3pyBaF4er6m1hBIwIF0a62al5HivI+smDGyhm7yepkGZjgYYvKbH5uuFyOFkqqokfCCvwni6EGf1AGaH4ADg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:23:06.896950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037856
observed c0905e0cba8802b363cf1d0da06e7872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:06.880613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037856/manifest.json
observed 730b5e6aef593ca8c9f464cdac62362c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:06.864526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037856/publication.md
observed 39e325b8b11da1b0dc2be656409b5dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:06.845354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037856/publication.txt
observed 8b7f3e5c4c6f0456ce7a235bf953467e...
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.