OpenTechnical

OT-2026-000049178

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000049178) never changes.

Identity and time

Publication numberOT-2026-000049178 · never reused
Internal UUID01a0ae81-134e-7f2c-802c-1071410346ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049178
StatusPUBLIC

Content hashes

Canonical text6fd726fbe49bdbfb128d43289efb5e4e5977390c1f66ca0be810a9cef23b7aa6
Markdown19f6f6087b8cea2e3a87b3fe49cf56d775f7132e3c930332285617bea21c143d
PDF
Publication page676bab8d671888569394dd7c65aac94344d01fb6b5168892e1501e8bb48f8596
Manifest8877ff9694d57e44f0b4c8aa4ed62e3810d4dd8d97d58b3160fb954b2aebedbd

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
Signature3+x4OIpKBVhXLDbIbOO6Sjzsc5ud5tMuDuPxoKjzJgfoNd5qZpLkQtGfITKyPBjOGIk3TqAuWtuUZIM7xVdeBg==
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

2026-09-17T11:03:58.893465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049178
observed 676bab8d671888569394dd7c65aac943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.876360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049178/manifest.json
observed 8877ff9694d57e44f0b4c8aa4ed62e38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.858257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049178/publication.md
observed 19f6f6087b8cea2e3a87b3fe49cf56d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.839057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049178/publication.txt
observed 6fd726fbe49bdbfb128d43289efb5e4e...
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.