OpenTechnical

OT-2026-000083170

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump 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-2026-000083170) never changes.

Identity and time

Publication numberOT-2026-000083170 · never reused
Internal UUID01a0ae97-c962-7dc4-bbb0-555f77626ee2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083170
StatusPUBLIC

Content hashes

Canonical text5deb8740ead7e545da320bffb367dd7d4d94899bca88e8e04cc9c006cc97af47
Markdown650d41d41b919aea3f5b6a47be4b88185c03e7b354b65bd0eb4e1acd5b207cc9
PDF
Publication page4eb993c45b1470d83095871fa46a80b9d3f9b2a4a7dca7c62053f69d0bb82b10
Manifestb629cc4ca6160fa4eda0d382546b926640918f923f9f4432d79332a14c923145

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
SignaturePedPg0i4i5D42v3FUBxIYVKi4CQ3Gub92D1PCNmvFtztAMudgFOFnuWjP5pLZPo/+vUzwuWsynxCdYCvv3mPDA==
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

2026-09-17T09:00:57.397455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083170
observed 4eb993c45b1470d83095871fa46a80b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:57.379793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083170/manifest.json
observed b629cc4ca6160fa4eda0d382546b9266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:57.363209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083170/publication.md
observed 650d41d41b919aea3f5b6a47be4b8818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:57.344378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083170/publication.txt
observed 5deb8740ead7e545da320bffb367dd7d...
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.