OpenTechnical

OT-2026-000032819

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000032819) never changes.

Identity and time

Publication numberOT-2026-000032819 · never reused
Internal UUID01a0ae75-4842-70ee-969d-0129b9248c61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032819
StatusPUBLIC

Content hashes

Canonical textb03c89140d201329ffd35dceb6bb136701e06673dfffb39eb0be0fb59c00c760
Markdownb76f0802f08a7355716233103578b5d84d1ace3245f99c50f4fba83663d5a3c2
PDF
Publication pagee8ec94faad7c56362259cb583350df774faf116f18f2c8020f78f6bcd5f8c57e
Manifestde799fd3d84a6d3563716b905422e188d087664a0e23f15921e41b049d5f41cc

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
SignaturewTMtcFpvXots5MuWbhW3oR4CAa+oHIMijTyVBLsy0zTmC6r2LASTqL6YCBMK2YghgZGzPNhF39p8abUa+Bg3Dg==
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

2026-09-17T11:32:16.385108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032819
observed e8ec94faad7c56362259cb583350df77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.365663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032819/manifest.json
observed de799fd3d84a6d3563716b905422e188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.346502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032819/publication.md
observed b76f0802f08a7355716233103578b5d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.327649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032819/publication.txt
observed b03c89140d201329ffd35dceb6bb1367...
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.