OpenTechnical

OT-2026-000059748

Publication integrity record

Single bellows cup vacuum gripper, pump fed, sustained blow-off after 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-2026-000059748) never changes.

Identity and time

Publication numberOT-2026-000059748 · never reused
Internal UUID01a0ae89-ec25-7875-a483-32f88d9827d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059748
StatusPUBLIC

Content hashes

Canonical text529055f1193abb9001e233091f140238f4875f4455e65a2f4db3ae2311f6eb42
Markdown765e4d037907b7d3f262ba87c54a1f9c72c8d163337c723813cfd2bb25ace310
PDF
Publication pageb7e0008066e079f5563002b1b80c7fd7d4bd950a2f5fe8a9ce4b589fcd99b95b
Manifest45ff5d1803e4c7378256d6024dadaf77500677e62210bf6f7e825c392adf7310

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
SignatureZXpe/2okU11ppodFo26z4GfIQPqYFVXNKLxfYClSTAZvBKb3y5sMaNFeUYenWBjSS8bLJCp2jTSJTcDAIqlIDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:28.303207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059748
observed b7e0008066e079f5563002b1b80c7fd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:28.285380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059748/manifest.json
observed 45ff5d1803e4c7378256d6024dadaf77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:28.267791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059748/publication.md
observed 765e4d037907b7d3f262ba87c54a1f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:28.250744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059748/publication.txt
observed 529055f1193abb9001e233091f140238...
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.