OpenTechnical

OT-2026-000095221

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000095221) never changes.

Identity and time

Publication numberOT-2026-000095221 · never reused
Internal UUID01a0ae9f-8f70-7396-abb8-a91934f870ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095221
StatusPUBLIC

Content hashes

Canonical text6849d4f785212094ca0bcbbdc3ad23a1ceca188a2c7a60ad1e3df2ddacc32b36
Markdown6618545c375bad975a57b63de1373c44a1dbf33628501b9467d2a4af06849593
PDF
Publication page676884911a912e4ee4e90a34b0448db23d7210012479ed1cda021e1dda4c92c9
Manifesta1feef9b5efc3e08ff6142c67fd388dc9b33a7bff1ea4e9b0f92bf8b0b2d9203

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
SignatureTgnK2yEGhzftd3HW7mWUJxf6ur8Qsqhw9YMjQ99JmVTG2VDVNE/y8vAVk6Ybfa9SA5i/jfhJWglJF+nCo5qPAg==
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

2026-09-17T09:36:32.544909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095221
observed 676884911a912e4ee4e90a34b0448db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.527985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095221/manifest.json
observed a1feef9b5efc3e08ff6142c67fd388dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.509727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095221/publication.md
observed 6618545c375bad975a57b63de1373c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.491645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095221/publication.txt
observed 6849d4f785212094ca0bcbbdc3ad23a1...
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.