OpenTechnical

OT-2026-000041124

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000041124) never changes.

Identity and time

Publication numberOT-2026-000041124 · never reused
Internal UUID01a0ae79-b142-7005-909d-d165d363aad1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041124
StatusPUBLIC

Content hashes

Canonical texte4ebe27fabb28d27be55f1aa975dc399f8e6290c1a409d4849a016ac0d49eec7
Markdown1f389b10efff407ebe673cc0a8918ce6876e8195c1481a1cdba39077d86d1c33
PDF
Publication page526d1155b67723c20bfb6f2ead9a0b61b3e8a284747feb25bb526f0f8deba779
Manifest291f1be26009475720f0e3bdf07e2f1869a02c4171f4bb73a8575a6588fc240a

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
Signaturek1Qj1376YQ0AC6B3LWHMp8sXPXFKMocy28GXzQTZ4yFJWbJRDa5eqMSdqA5Dbldcn6GnppE1tlP5IbEfDIl3BQ==
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

2026-09-17T11:16:53.711063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041124
observed 526d1155b67723c20bfb6f2ead9a0b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:53.693197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041124/manifest.json
observed 291f1be26009475720f0e3bdf07e2f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:53.677192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041124/publication.md
observed 1f389b10efff407ebe673cc0a8918ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:53.547166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041124/publication.txt
observed e4ebe27fabb28d27be55f1aa975dc399...
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.