OpenTechnical

OT-2026-000048751

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000048751) never changes.

Identity and time

Publication numberOT-2026-000048751 · never reused
Internal UUID01a0ae80-c32c-7e9d-89ee-debcb9dbaff7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048751
StatusPUBLIC

Content hashes

Canonical text0bcab7b3cdf2cb0133ef15381c4379038a9f283b0cf2bea3fa4691a8877dcf18
Markdown2b9338caa39a82171207ac3f2a66e717b566c759c3ee33558830859ec186b667
PDF
Publication page474ddf3ada7b9a85eea46f16cbf1f7c8a6b5de21277faccdc6d1721dc4dd0c46
Manifesteb0ba1d5e39fef86c8950f9b55efedb4a7dd34ea68442b0f70d8f573dd69296b

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
SignaturekRaVyG03eOO6RQ31eecp+P6kZZAYqvihftjJYzcgs1/Y8lsiTSR1VC/JlPQjebELwzCYTFNY7AEq1jnv5Ct4Bw==
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

2026-09-17T11:04:25.180950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048751
observed 474ddf3ada7b9a85eea46f16cbf1f7c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:25.143550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048751/manifest.json
observed eb0ba1d5e39fef86c8950f9b55efedb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:25.106113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048751/publication.md
observed 2b9338caa39a82171207ac3f2a66e717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:25.056165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048751/publication.txt
observed 0bcab7b3cdf2cb0133ef15381c437903...
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.