OpenTechnical

OT-2026-000005943

Publication integrity record

Vacuum cup gripper, four outlet manifold, pump fed, pressure verified, polyurethane cups, oval form

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-2026-000005943) never changes.

Identity and time

Publication numberOT-2026-000005943 · never reused
Internal UUID01a0a949-fbc7-76f8-a245-3b2d155e97dc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:16:33.225410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005943
StatusPUBLIC

Content hashes

Canonical textb7303ef104007436885b6d6d781db513167e27a4374d3be74421d1e616b5d50c
Markdown506c4b6e15b0f07295d1051da584daec084ce757b3aeccbb6d0aabf6af88f116
PDF
Publication page5b5bc52d5b61f945cfd2a760a510e49ad8460efc8f813f1734b3837e4ddf1b9b
Manifest8500df3c3c66e1a5c735d675260bb7b49a2968a8e73f8ff10ed62f2622be2a8c

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
SignaturevuV94Hj5oYOSx9sTQqNbA4eTNlCbgSLWV/Br+7xBvexk6JSD0VLsuVcJsTsu8U82jMxF+v6svLAECK2PGgMHBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:14.642419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005943
observed 5b5bc52d5b61f945cfd2a760a510e49a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:14.624865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005943/manifest.json
observed 8500df3c3c66e1a5c735d675260bb7b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:14.512181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005943/publication.md
observed 506c4b6e15b0f07295d1051da584daec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:14.494923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005943/publication.txt
observed b7303ef104007436885b6d6d781db513...
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.