OpenTechnical

OT-2026-000097036

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000097036) never changes.

Identity and time

Publication numberOT-2026-000097036 · never reused
Internal UUID01a0aea1-01c9-745c-863a-d72cc3e6e3b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097036
StatusPUBLIC

Content hashes

Canonical text0a7785512b3b9845894accc2f0f2394515ee3ab3fa038a8cd084e4bd08142868
Markdown470430cd554b115d076c107096188d70336095cf2964ff430a9038aeb7e145d6
PDF
Publication pagec259b9ef0cf64c6e6a96211c0778c2afc3141407053fcffb5cb94f381d146718
Manifeste76865af133a3e86a81ab022e427502e5fa1fba172537641b51c88cb5a7859ff

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
Signature6/B0/LbcJ8+57cwXaOEil4sSo2zynAyOHHv6XI66cA2eu+lZJvxr1io7RzOJXikda9t3weWTS/C9OuR2yBjVAg==
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

2026-09-17T09:10:33.226122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097036
observed c259b9ef0cf64c6e6a96211c0778c2af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:33.207083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097036/manifest.json
observed e76865af133a3e86a81ab022e427502e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:33.188099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097036/publication.md
observed 470430cd554b115d076c107096188d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:33.169703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097036/publication.txt
observed 0a7785512b3b9845894accc2f0f23945...
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.