OpenTechnical

OT-2026-000007377

Publication integrity record

Vacuum cup gripper, three stage ejector, contact triggered, silicone 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-2026-000007377) never changes.

Identity and time

Publication numberOT-2026-000007377 · never reused
Internal UUID01a0a97c-9eb6-78a3-938d-5b0ce7f9ce20 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:11:51.737572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007377
StatusPUBLIC

Content hashes

Canonical textc321bc163260144e181bc5e5daae56ac6776e6f4c3dda0c9e13f7a8aa8036f8b
Markdownefd2e522a97f69ef68d3662487bcdeab2714c80f6828717a4213c6021b9139a3
PDF
Publication pagedc29fda8d067fd46b4fc68b4563f6b3d6ad71361cdf86a0e96f4ab12b466991b
Manifest49b91006e92aff477a1bc5d831218c2252fe5d5d762512f1ae863214893d2f1e

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
Signatureglawh05tf2mYGJ8UUx4wQnJqVZ2PaHQYTx0kNftizQRORiLDs3Ehaj6QGthDGSOKPkx0yVctBY6bbkae2ptuDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:08.789856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007377
observed dc29fda8d067fd46b4fc68b4563f6b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.776745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007377/manifest.json
observed 49b91006e92aff477a1bc5d831218c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.764523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007377/publication.md
observed efd2e522a97f69ef68d3662487bcdeab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.751638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007377/publication.txt
observed c321bc163260144e181bc5e5daae56ac...
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.