OpenTechnical

OT-2026-000040425

Publication integrity record

Single cup vacuum gripper, single stage ejector, sustained 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-2026-000040425) never changes.

Identity and time

Publication numberOT-2026-000040425 · never reused
Internal UUID01a0ae79-2701-713c-b769-c9beb45c154c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040425
StatusPUBLIC

Content hashes

Canonical text10963526118587ef7be836ae732765fc763668e852ab1beee66c5d00cdbfde88
Markdown68a627a0a29feba5404184704a46a5f253295d6a2a2072630ac6a93497152d3b
PDF
Publication page222d0bb902420c4caecfaf976d476129449d6f3369d929be47787c315ac6e932
Manifest47dc6e6a12ca86783b22323363b7073f63218c1329d8ce494ad9c58bd6ec81e7

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
SignatureWTPT81F+a4Yo7beCDnkFbxK6/bgHVQYBv8zwMME1ONZ3c4SJQ4Edl7O52qZS/EneJiDDK6O2v3lw12Tw1VVfAQ==
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

2026-09-17T11:19:28.101559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040425
observed 222d0bb902420c4caecfaf976d476129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.080980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040425/manifest.json
observed 47dc6e6a12ca86783b22323363b7073f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.063349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040425/publication.md
observed 68a627a0a29feba5404184704a46a5f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.046448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040425/publication.txt
observed 10963526118587ef7be836ae732765fc...
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.