OpenTechnical

OT-2026-000014277

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000014277) never changes.

Identity and time

Publication numberOT-2026-000014277 · never reused
Internal UUID01a0ae6d-b279-7666-b65d-c2c8e1ee1037 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014277
StatusPUBLIC

Content hashes

Canonical textf4aaa56df21bc9fec9ce49fb1b55c874f8f832e3487c9d0555b3abbfbd1494d2
Markdown293b333889cf85d004c67c1440921981c84af18b87eb743a9d8bb795d5320f59
PDF
Publication page459b8966c066e204551d667616e2a9d2972fdcb697c0711652112bbb4f9cfc0a
Manifest39107df4af71193e417f1ed3d92ac987c325a69d1e49d6162da329dc16c76054

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
Signature6QT8/cnIJuDP8rCZNWj1bQ0lnIW7+HRK9VJ8pp65bOMJQ3KX9bUDa4eLQqQxdiFF+mUczrbKPBuzzVwwdGtDCg==
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

2026-09-17T12:07:29.428112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014277
observed 459b8966c066e204551d667616e2a9d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:29.410679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014277/manifest.json
observed 39107df4af71193e417f1ed3d92ac987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:29.390687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014277/publication.md
observed 293b333889cf85d004c67c1440921981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:29.371491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014277/publication.txt
observed f4aaa56df21bc9fec9ce49fb1b55c874...
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.