OpenTechnical

OT-2026-000007266

Publication integrity record

Vacuum cup gripper, four zone face, pump fed, vented before set down, silicone cups

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-2026-000007266) never changes.

Identity and time

Publication numberOT-2026-000007266 · never reused
Internal UUID01a0a978-a5bc-7586-9dbf-530eba401873 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:07:31.391639Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007266
StatusPUBLIC

Content hashes

Canonical textea3f41181a8a1f5822a61473585606c711fc1f1d2f1639214470ef89d5207304
Markdown1685f401f36ad80c6dacc0453f0448466ebf5c291bfbd3fc9dba55fadf54b29f
PDF
Publication pagece1bbea5b121d22ddc23d3e633b319758a1f6f8cb6fe7c0a651176cca8d42c1d
Manifest58ab7628e0c21d28224e34eea1bc7fcf601dac03f93906dca427b84294c90af5

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
SignaturevqCpD+7GVn172z0lzEqLSMDa7Bn6m9BG7JMA+A2yMsqXi6VkchrG44A/pmE+HxDrVh91tqzEOlDWkmXC9ROoBA==
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

2026-09-16T09:10:09.902384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007266
observed ce1bbea5b121d22ddc23d3e633b31975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.888602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007266/manifest.json
observed 58ab7628e0c21d28224e34eea1bc7fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.752532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007266/publication.md
observed 1685f401f36ad80c6dacc0453f044846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.741042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007266/publication.txt
observed ea3f41181a8a1f5822a61473585606c7...
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.