OpenTechnical

OT-2026-000078275

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000078275) never changes.

Identity and time

Publication numberOT-2026-000078275 · never reused
Internal UUID01a0ae95-7c27-766f-9df2-60f16a8b77f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078275
StatusPUBLIC

Content hashes

Canonical textc632ec656b9803b0bfb89290a24b4e32ad9aab365c1e37f3a8f76058570e1e31
Markdown2f779deb461f9beba438a726f7c3f30c29949ffab9e673f29b8108e093319a11
PDF
Publication page7033273d4a45fd504d4bfa34ccae55ae446afc4402caac9b23805f32a5b83a06
Manifest96652360a4bd90c634e26431e70190fc95c44395f2b69c32917eab3dee6679d7

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
SignaturecOGd3d6s7oYkp0eDhE1sw6OuwUi/D6wgTEjzaJAl0Ppq5Es8imnWCvYSpjwGgIcjKh2SO0HUG0gPfVHUlYEVDA==
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

2026-09-17T10:06:14.233207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078275
observed 7033273d4a45fd504d4bfa34ccae55ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.214580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078275/manifest.json
observed 96652360a4bd90c634e26431e70190fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.196681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078275/publication.md
observed 2f779deb461f9beba438a726f7c3f30c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.177750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078275/publication.txt
observed c632ec656b9803b0bfb89290a24b4e32...
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.