OpenTechnical

OT-2026-000099249

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000099249) never changes.

Identity and time

Publication numberOT-2026-000099249 · never reused
Internal UUID01a0aea2-8289-732c-8643-5fcd16bec403 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099249
StatusPUBLIC

Content hashes

Canonical textf4c5cc51871c9b06c09af26a4e734ad3c407f21acf1c5d5c2c4d13c05fd3edc7
Markdownb9be273f5d985b461929f7ee8e1bd9c1d337851a1903a1e324eae7fb9816bc08
PDF
Publication page5f9994ea78fe04514866c091b64d6933fe27a84ace3f0fac982a57c2213c6aef
Manifestec980100e52b88e3973ce67279360e6cabf61f7c477dca5b7ab9446b88bf5197

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
SignatureNS80c7LM3WIIjBJD/0UTLsJB1nyZyHSXAPztSslovbAkFL3o7Cx2LjAZzcjcKEZSdTaMGbr7f6DsOYcCt8IQCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:41.371566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099249
observed 5f9994ea78fe04514866c091b64d6933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.355211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099249/manifest.json
observed ec980100e52b88e3973ce67279360e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.336524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099249/publication.md
observed b9be273f5d985b461929f7ee8e1bd9c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.318012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099249/publication.txt
observed f4c5cc51871c9b06c09af26a4e734ad3...
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.