OpenTechnical

OT-2026-000051972

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000051972) never changes.

Identity and time

Publication numberOT-2026-000051972 · never reused
Internal UUID01a0ae83-e78e-7556-b8fd-66ac8c5cf799 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051972
StatusPUBLIC

Content hashes

Canonical textfbe550106a7e9812e5fcc82a0e85d0e8faf1c1430e40fe1b72a212b1c2319522
Markdown471a8c5c474d38a755cd236bfa3d1a594f2757a13f382a9ddc66b27339786fa1
PDF
Publication pageda44057cb86f3869d0198c9e2f01f2999e93a9091ec972505d05c1edf5d07bc7
Manifest664aa9f8715232205c55a2e286e791adda9f0b23b96d25d7d8de216880cee31c

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
SignaturefnmkFihkSGJ6/tJ7s+hcSa0ticx1ghhTkwCZh6kRqb/xRXpktSGYCG5Gea+HMmGCAR9Pt5q+Hq9WyOucUqVwDA==
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

2026-09-17T10:57:28.343157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051972
observed da44057cb86f3869d0198c9e2f01f299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.327280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051972/manifest.json
observed 664aa9f8715232205c55a2e286e791ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.309491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051972/publication.md
observed 471a8c5c474d38a755cd236bfa3d1a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.292438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051972/publication.txt
observed fbe550106a7e9812e5fcc82a0e85d0e8...
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.