OpenTechnical

OT-2026-000051731

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000051731) never changes.

Identity and time

Publication numberOT-2026-000051731 · never reused
Internal UUID01a0ae83-7c83-7a05-88f5-b43537be7161 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051731
StatusPUBLIC

Content hashes

Canonical text51cbbf9006c2167638ecf5f35e724f33185b8bc54310fab0a96f18f0a993c2bd
Markdown927397a52f66058f6c72a3712aebbb9b09c5c83374edec3fa5df362d14f2b2da
PDF
Publication paged5182a5650ca20e6e877fe1965b4daa3837400d22cc735fc366909b043ec8e68
Manifest37706a5c3e341154fccb5856e330e55e947b0d36194e0c7c4609f62cd36e68f8

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
SignatureS5tlrykZawJ5BRDyKuCX+IZNIIDnfRyCqwWS/PNZkh4NXLgk9zEwYt2YZ3oYWXJA+sJtrERfgC7xZ+qYWYKnBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:37.388836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051731
observed d5182a5650ca20e6e877fe1965b4daa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:37.369091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051731/manifest.json
observed 37706a5c3e341154fccb5856e330e55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:37.350268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051731/publication.md
observed 927397a52f66058f6c72a3712aebbb9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:37.327657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051731/publication.txt
observed 51cbbf9006c2167638ecf5f35e724f33...
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.