OpenTechnical

OT-2026-000082784

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line 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-2026-000082784) never changes.

Identity and time

Publication numberOT-2026-000082784 · never reused
Internal UUID01a0ae97-8cc9-72c7-be9b-7853b552addc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082784
StatusPUBLIC

Content hashes

Canonical text53baab0efb8f81e36ce56c3296d6558167a86a54351ffe2d9d6e3c5bd617487d
Markdownea75194aa4212a2b25c37e18b0828415bccbafd0d015aa93020d808d0d64b4ba
PDF
Publication pagea55cd73ba1d3feaab6065bfd98cd00b28a791310c5f4dfad711ada77ae53dbc8
Manifeste7d13b65c1cb96afdcb218e369bd4df0098cfbeda23dbd02555c93c17fb626c4

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
SignatureV+EHKN18IaONIpLI7QbybjnRaCT/WU4sO1VBVKLMiXqJ8P04hoKcahvP07qj+p1yxw7gMc8FqbTy9awj6hcTDg==
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

2026-09-17T09:58:22.434465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082784
observed a55cd73ba1d3feaab6065bfd98cd00b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.417888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082784/manifest.json
observed e7d13b65c1cb96afdcb218e369bd4df0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.401340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082784/publication.md
observed ea75194aa4212a2b25c37e18b0828415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.382561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082784/publication.txt
observed 53baab0efb8f81e36ce56c3296d65581...
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.