OpenTechnical

OT-2026-000042932

Publication integrity record

Single bellows cup vacuum gripper, pump fed, pulsed blow-off after set-down

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-2026-000042932) never changes.

Identity and time

Publication numberOT-2026-000042932 · never reused
Internal UUID01a0ae7a-c0d1-7fa7-abd4-a4d64ba9bb18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042932
StatusPUBLIC

Content hashes

Canonical text6895c65490c274d4f3778039f05c6830a6b5517a16244a9d4a49491a330e98bb
Markdowna0ab9100f8df1a8f2fbc58b96eb8d84d5bca09cc1b021f0d14ba4182a57d5423
PDF
Publication page19f5e99b0f47f2042f960d50e6f14fdda52025cf710d44b8329a4798cb059bbf
Manifeste3c172c70e8207ea68dec81141765fdc5ff11e596408fd56bf7f80c1f1f22052

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
SignatureVZOMxf4gjiy5WthILksxu7PXavbUVFLCRwfp8WvuEktLeVPsOaKjTNjSGiMogohLsAEmmTUEUmSyaHNHjfiUCQ==
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

2026-09-17T11:15:27.772166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042932
observed 19f5e99b0f47f2042f960d50e6f14fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:27.753103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042932/manifest.json
observed e3c172c70e8207ea68dec81141765fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:27.732175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042932/publication.md
observed a0ab9100f8df1a8f2fbc58b96eb8d84d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:27.715003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042932/publication.txt
observed 6895c65490c274d4f3778039f05c6830...
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.