OpenTechnical

OT-2026-000082380

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000082380) never changes.

Identity and time

Publication numberOT-2026-000082380 · never reused
Internal UUID01a0ae97-4d96-7773-86b7-cfaab93943d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082380
StatusPUBLIC

Content hashes

Canonical text76a0eb974078913543b6d62e46731d282981de4b67aa652794b89cddacb7c3cc
Markdown2c9f52e2c3a9e304c9871084bfb55f75b29125960c90d1afa2ad970eb3ec1080
PDF
Publication page4cce0cc2f0c9d2a8dfe166bd966fe694482c498abb1c16d0fe20fb32f3406305
Manifestb3c966d5ba496959731a2af2d119a97409fbf581dc7e01c260251de592c032d8

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
SignatureeKQCYZS77IfYixqaMs94gA7K/2y5gjTy2N67/sGSXi9K3jgox5jhL22ftujKTvoQbP1HN+EKxOpghGqQeRTwDQ==
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

2026-09-17T09:59:15.593245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082380
observed 4cce0cc2f0c9d2a8dfe166bd966fe694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.576638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082380/manifest.json
observed b3c966d5ba496959731a2af2d119a974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.549920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082380/publication.md
observed 2c9f52e2c3a9e304c9871084bfb55f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.521328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082380/publication.txt
observed 76a0eb974078913543b6d62e46731d28...
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.