OpenTechnical

OT-2026-000007494

Publication integrity record

Vacuum cup gripper, six outlet manifold, pump fed, contact triggered, vented before 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-2026-000007494) never changes.

Identity and time

Publication numberOT-2026-000007494 · never reused
Internal UUID01a0a980-de8b-7bac-9153-c0ed303a5192 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:16:30.222104Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007494
StatusPUBLIC

Content hashes

Canonical text41395633b6c19961e5236b13bfc0cc71a350599e37629cebde01185d152eb7ed
Markdownacfb90329bd34780ba1cbc1d71825ab7140ec29a94d341e34f3425bba3d20959
PDF
Publication page7d2529c85dddcbbc619d6ca4c40503952c4b4fc428a73fc3adbd6c38974f7a82
Manifest7956fd185f650a58079c741917b3bc3d5142c45e61c99bea3bbad1ba41446eef

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
SignatureUe7l3pqFlIlNZ9ndkLGf4O76Hc49PrPLC+FEu7Z12DtoggSqfeHRi93fzGvEdJWmz0/fkr8+LA5NkyfYR2KMCQ==
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

2026-09-16T09:20:02.220592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007494
observed 7d2529c85dddcbbc619d6ca4c4050395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:02.207635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007494/manifest.json
observed 7956fd185f650a58079c741917b3bc3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:02.194791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007494/publication.md
observed acfb90329bd34780ba1cbc1d71825ab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:02.178336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007494/publication.txt
observed 41395633b6c19961e5236b13bfc0cc71...
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.