OpenTechnical

OT-2026-000069059

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000069059) never changes.

Identity and time

Publication numberOT-2026-000069059 · never reused
Internal UUID01a0ae90-6dce-7d13-91fe-3783b34de3de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069059
StatusPUBLIC

Content hashes

Canonical textd70a1ea75b8590b8a5075dd4a0edbdcaa5df3dbf1cb3260e05c88c91ea90cbb7
Markdown3a97f51591b0754fb45696789ddf1b3324d02a5c7a7ea630ecd51af0bf1f2711
PDF
Publication page9de7d7668a90690665dc0907062cd8ac93fb5b969c927efbb7dc9161fb1507a1
Manifest8bf35bfb642c06ed647ab1cd8e2066415df1c9e59fe73a76c818ac22ed935291

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
Signature2aiZ8kq8vGePFaKiIb9xQp/7hyYIWKqm4Okty1VPsPmMKHPmuuWhNll/z/RGAIyTtVv7MEtovsMzn4txRyCNAQ==
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

2026-09-17T10:28:55.416104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069059
observed 9de7d7668a90690665dc0907062cd8ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.397747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069059/manifest.json
observed 8bf35bfb642c06ed647ab1cd8e206641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.381036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069059/publication.md
observed 3a97f51591b0754fb45696789ddf1b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.361932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069059/publication.txt
observed d70a1ea75b8590b8a5075dd4a0edbdca...
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.