OpenTechnical

OT-2026-000011241

Publication integrity record

Single cup vacuum gripper, pump fed, sustained blow-off after set-down, on a tool changer

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-2026-000011241) never changes.

Identity and time

Publication numberOT-2026-000011241 · never reused
Internal UUID01a0ae6c-5410-705e-a7ef-0b7502056cdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011241
StatusPUBLIC

Content hashes

Canonical text9c9103965837faa30bdf3bd7be5e225ec9173d905688cc6dbf0b5758e4005d77
Markdownad23e8b69c83779b5a07df8e3fc9141a3e8c0cbb1b44178f257fa8d469cb030c
PDF
Publication page755f3a29096d2adbb6bb9a40d6673adaf0a368a0e980309724e19dc9814915f8
Manifestcdf17feb66518720c61d95bf103e7efb21a1252d0d2f25af38267137edd0f25a

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
Signaturehr3Jld8kn9VMS1avEyh+BoPVqVM9V0K8PC2uEvf9nXeMkiTn8uj0WI4Pt9bZpTtWQFaBss68NMFTKrpuxBqWAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:12.317227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011241
observed 755f3a29096d2adbb6bb9a40d6673ada...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.297108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011241/manifest.json
observed cdf17feb66518720c61d95bf103e7efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.277140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011241/publication.md
observed ad23e8b69c83779b5a07df8e3fc9141a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.257917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011241/publication.txt
observed 9c9103965837faa30bdf3bd7be5e225e...
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.