OpenTechnical

OT-2026-000063552

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063552) never changes.

Identity and time

Publication numberOT-2026-000063552 · never reused
Internal UUID01a0ae8c-f945-78d1-8276-7351611eff1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063552
StatusPUBLIC

Content hashes

Canonical texta21e68916d542b8bc2c233daaca2899bc9352a8a6de0ed8b4df2ea7261457b37
Markdown7cefc3a6540607c5dae11a70e6ef4a37333018e46f5ec61259edf1d1bdbff7cf
PDF
Publication page78e4fd27e93721e7d0a0685c6505a3b4e8d1ce8261c33bd796b9ae462c758ef3
Manifestc321c4e582d762df4e5f7191efbeffe57f2935c8240d4ce116c2258804a90570

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
SignatureJhZS9qGQmm9HTvkQRUmOFJQpxeEj/BsKDTkzQgMUTslXHXEODZvblMzYtffajJA/POhR9UHnGvPRozVE6Jz4Bg==
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

2026-09-17T10:37:33.248348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063552
observed 78e4fd27e93721e7d0a0685c6505a3b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.227149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063552/manifest.json
observed c321c4e582d762df4e5f7191efbeffe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.205317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063552/publication.md
observed 7cefc3a6540607c5dae11a70e6ef4a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.184794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063552/publication.txt
observed a21e68916d542b8bc2c233daaca2899b...
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.