OpenTechnical

OT-2026-000090159

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000090159) never changes.

Identity and time

Publication numberOT-2026-000090159 · never reused
Internal UUID01a0ae9c-428f-7f5f-823f-68ef70cecdab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090159
StatusPUBLIC

Content hashes

Canonical text8164f77bd9ab8aff7275ee2e151b409d061fdd3a02c37920becd495c768d646d
Markdown2330855e3b802434c0caaa3b8a4aa673695a2046b580cabc4dba502c8f7614f3
PDF
Publication page93f998f0ac1a5b25d7673a9eedc22fb83cec3cbd180332fb192c78e932c7fcf8
Manifestdde2ad6113bae87177e66358b660bfa8f03d0e430e65dc5f33e5c0ae349d22e8

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
SignatureC/7YpTBOnXYzHqWphSDO3qRjVGgptmUdXsAlA6dyIkDYyvyxNbdExKtWSVY+BUOA8K5ZxaHfLiedoiAqBUEFAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:40.600052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090159
observed 93f998f0ac1a5b25d7673a9eedc22fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.582119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090159/manifest.json
observed dde2ad6113bae87177e66358b660bfa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.564837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090159/publication.md
observed 2330855e3b802434c0caaa3b8a4aa673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.547108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090159/publication.txt
observed 8164f77bd9ab8aff7275ee2e151b409d...
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.