OpenTechnical

OT-2026-000017820

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line 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-2026-000017820) never changes.

Identity and time

Publication numberOT-2026-000017820 · never reused
Internal UUID01a0ae6e-96fb-77b0-a5ff-1e4781d8fbee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017820
StatusPUBLIC

Content hashes

Canonical textdbab5b6022e877a9d5423aa17ded11c399d26026702365d54648589e1a769df4
Markdown3fc88fdd619e52986307dd42e17d108d8e6759ce814a4cb63e39146fddde947f
PDF
Publication page4f5cbed24663850bb9dd5d46c480e35df13e6c4d7047eb9e3c49a7742e8f7689
Manifest885824ba59a2dcc94b7973cbc40d2a3d651129d2eba8a6d80a669e687ad9eb0c

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
SignatureqPzJacRbOqmjBs3LA81XPbYb8FBLoSYszCWQyqFbx8wqxbdKiG6oQmjP4o1ypK87TLANi72zHLjZzdlEZ1KXDw==
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

2026-09-17T12:01:47.531433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017820
observed 4f5cbed24663850bb9dd5d46c480e35d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:47.514057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017820/manifest.json
observed 885824ba59a2dcc94b7973cbc40d2a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:47.495212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017820/publication.md
observed 3fc88fdd619e52986307dd42e17d108d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:47.478783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017820/publication.txt
observed dbab5b6022e877a9d5423aa17ded11c3...
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.