OpenTechnical

OT-2026-000078413

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000078413) never changes.

Identity and time

Publication numberOT-2026-000078413 · never reused
Internal UUID01a0ae95-7c28-7a59-aa5a-d88d8461bb8c · 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-2026-000078413
StatusPUBLIC

Content hashes

Canonical textd2b054f4f3343244c769bc5f44c702c04f696c432665f7e83dad2f6b3d8e0b04
Markdown9e78a39c32f576b423cdfe6c9a880ba7de47e550bb3b9f54122674ace3906af6
PDF
Publication page1d9cd22ab75f8e3aa6b1517d88c2be0b0982aaf3685dff4a185f5458a44d4704
Manifeste1cef8dd7481ba7e2e3fb6606d197b82e61311522e09593d20546ddcca3b7a35

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
SignatureG5eU8Lf7i6Dh0MKrlvzANLfb1yO0O5no38wkMRumC49SvSDHZbv60Hx2CnurNKknK4kxPqXwn7OSCkdKkOaPAA==
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

2026-09-17T10:06:24.392578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078413
observed 1d9cd22ab75f8e3aa6b1517d88c2be0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.372638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078413/manifest.json
observed e1cef8dd7481ba7e2e3fb6606d197b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.354421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078413/publication.md
observed 9e78a39c32f576b423cdfe6c9a880ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.334690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078413/publication.txt
observed d2b054f4f3343244c769bc5f44c702c0...
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.