OpenTechnical

OT-2026-000049595

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000049595) never changes.

Identity and time

Publication numberOT-2026-000049595 · never reused
Internal UUID01a0ae81-8f7d-7e35-be8a-5141b37e4aa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049595
StatusPUBLIC

Content hashes

Canonical textc71eeda0acece10b4ade7403dbde434dbcbdde707d195828cbe180762ac1ae5b
Markdown01d3a90fc7786b5e55eabec4a5a92ee96a8d39bba279d91fe16aa7527c5485ff
PDF
Publication page4c1f947ca8854dfc03e4c7552a97533b25d11e8d2c3c4add3eb5772bdff21853
Manifest5a4ddad46d6588748c4ea8c3450460d7c1e86f4ec735ebc1aeece7372a9aba4d

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
Signature4O671T5/j0qyK5uWENLX+Z9OmTvMXeXwsi5AewNjlRsXc2D6bsYEhWBA7kDnX19zGNPG0ifURjaZf1NBmxDXDA==
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

2026-09-17T11:02:34.434081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049595
observed 4c1f947ca8854dfc03e4c7552a97533b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.414944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049595/manifest.json
observed 5a4ddad46d6588748c4ea8c3450460d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.395888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049595/publication.md
observed 01d3a90fc7786b5e55eabec4a5a92ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.377442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049595/publication.txt
observed c71eeda0acece10b4ade7403dbde434d...
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.