OpenTechnical

OT-2026-000033671

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000033671) never changes.

Identity and time

Publication numberOT-2026-000033671 · never reused
Internal UUID01a0ae75-a390-74ec-bbb2-5e84b04bfbe4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033671
StatusPUBLIC

Content hashes

Canonical text37a0686ccb8b5ed1ed1c7ca8a53b85325bc999aee399de04cb5fbffd4f24439a
Markdown21c254f4830a4d60bf70418260c6d1cd27bb5012bedd28a1989439d26f623a90
PDF
Publication pageb9e4e2f2505f98b2b3ea0d2d1e56e93eb95ab069b60b66629d644643f627377e
Manifestfae12901ac673e59fa27869ba3f440b1642e6aac6bba31ed664ff48ca5c51390

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
SignatureeOISmKznTR29HqvZT43LCbtqUR6YolOG/VL256rQ9bl+/y7zOLGJtgJgLcAd9WX3ZD+uZoR+8hgvAsCixRnPBA==
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

2026-09-17T11:31:39.656900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033671
observed b9e4e2f2505f98b2b3ea0d2d1e56e93e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:39.637506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033671/manifest.json
observed fae12901ac673e59fa27869ba3f440b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:39.619854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033671/publication.md
observed 21c254f4830a4d60bf70418260c6d1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:39.602481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033671/publication.txt
observed 37a0686ccb8b5ed1ed1c7ca8a53b8532...
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.