OpenTechnical

OT-2026-000005149

Publication integrity record

Bellows cup vacuum gripper, four outlet manifold, two stage ejector, contact triggered

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-2026-000005149) never changes.

Identity and time

Publication numberOT-2026-000005149 · never reused
Internal UUID01a0a92f-71eb-75eb-8da0-fefc1c5d8acc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:47:33.999359Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005149
StatusPUBLIC

Content hashes

Canonical text150c1f8de97bcddfce698fa060d9306e5bfd98f20e9a68b27a24a74c6d167e30
Markdown369643e1bda9aae7562ae532570d3261344fba4e11313736c6e3df0729abb672
PDF
Publication pagef282ae4c097168c526d7d6927e5ad9bd173e9e992e28690b8766d08e380b6358
Manifest7aec497014609a4d1e9ab3e4684ff3bd1e6001a64340a3190686ced9454522a2

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
SignatureynH3akiWULealjW6mLTqjaQkfAfeQR2SZqo3Ljnqbf4dd3YYu4NDrGwscqrJGCwpEUKKxfrAXSF8IH7F/XsTBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:10.129629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005149
observed f282ae4c097168c526d7d6927e5ad9bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.994126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005149/manifest.json
observed 7aec497014609a4d1e9ab3e4684ff3bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.979652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005149/publication.md
observed 369643e1bda9aae7562ae532570d3261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.965631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005149/publication.txt
observed 150c1f8de97bcddfce698fa060d9306e...
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.