OpenTechnical

OT-2026-000016658

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000016658) never changes.

Identity and time

Publication numberOT-2026-000016658 · never reused
Internal UUID01a0ae6e-5918-7dde-940f-f19935b37e47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016658
StatusPUBLIC

Content hashes

Canonical text3d5d7a9f9da0a3fa8811e1e597776c6564fde204f7fc164bb0914a36234ca87b
Markdowna1973f9190ea394fec0ddd6822bd4561f2c39247e04edd90ad428ce8bb734d98
PDF
Publication page2106a8b6c459a81efe23254d44ecd395aa3b211e37b1acd8077b8c119603c60c
Manifestbba2d62812d6f2665f58c435c9d30d10a12166c460b99321a3b2f6e420b9ac6c

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
Signaturedqan1VxNYTEx+HcdDPH8vd4sLmXTnRkfOVjRb7LXWEr4gNPYPIHzVkNJjHY0oGV/3IV/BxqTDU4o7gFauOJgAQ==
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

2026-09-17T12:02:51.470958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016658
observed 2106a8b6c459a81efe23254d44ecd395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:51.452482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016658/manifest.json
observed bba2d62812d6f2665f58c435c9d30d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:51.431828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016658/publication.md
observed a1973f9190ea394fec0ddd6822bd4561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:51.413428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016658/publication.txt
observed 3d5d7a9f9da0a3fa8811e1e597776c65...
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.