OpenTechnical

OT-2026-000005826

Publication integrity record

Vacuum cup gripper, four zone face, two stage ejector, pressure verified, vented after set down

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-2026-000005826) never changes.

Identity and time

Publication numberOT-2026-000005826 · never reused
Internal UUID01a0a946-2365-7910-803a-914a7bef4daa · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:12:21.223563Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005826
StatusPUBLIC

Content hashes

Canonical text396e4df7ebbdb1db1bbc093350e2d874dda2b220c4ecb9c2619d51b2c7b05ca4
Markdown7f2e351c8f1c7541fa35e42cc9865e72f03d5f4ecfe9700eb2a582d1d520993f
PDF
Publication page09b0b13701e871f022725a2eac7737bd6a93749f8c2d610da3db4a8cc1f014b7
Manifest323074785dbe7509fed2e566573f3498be6d7a68d02148602b804aab87136f19

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
SignaturekewMdpbWJd8EeXt7uEOWe+4cmbCqMAuzjEIYq77b9P01wHEtsH84xs/Mujr44MnkogfIMj09W+cp0ohyI9L2CQ==
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

2026-09-16T08:20:28.386626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005826
observed 09b0b13701e871f022725a2eac7737bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:28.373195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005826/manifest.json
observed 323074785dbe7509fed2e566573f3498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:28.234147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005826/publication.md
observed 7f2e351c8f1c7541fa35e42cc9865e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:28.219355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005826/publication.txt
observed 396e4df7ebbdb1db1bbc093350e2d874...
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.