OpenTechnical

OT-2026-000006595

Publication integrity record

Porous face vacuum gripper, three stage ejector, pressure verified, pulsed 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-2026-000006595) never changes.

Identity and time

Publication numberOT-2026-000006595 · never reused
Internal UUID01a0a960-c08f-7037-b81d-a3f376a1a202 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:41:25.394940Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006595
StatusPUBLIC

Content hashes

Canonical textdb2d2760174125b5e313d3e78cdb9895d9a32a45e0e4dabb44bf31024e3bd96d
Markdown88ce7eb59e5488b81e3415708a734d246d19f863d8de15262f0632976ea4df0f
PDF
Publication page7c8b389e8f6f7b376a8a17034ec84cf3a027eb0e772a75d620521f5aab18df94
Manifest8c7ae11075221710afcc35d03c86ec482e5af9669072bdf9523a34d7585827a9

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
SignatureSw+wze1p5RkWnJjjkEmYhycbZTkE0e52/k5gE2Ix3BzzM1cJJ5YTB7pfhEbFuiGaws5FdZNvaJqbA2Xr5427DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:27.193719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006595
observed 7c8b389e8f6f7b376a8a17034ec84cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:27.181275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006595/manifest.json
observed 8c7ae11075221710afcc35d03c86ec48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:27.168441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006595/publication.md
observed 88ce7eb59e5488b81e3415708a734d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:27.153462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006595/publication.txt
observed db2d2760174125b5e313d3e78cdb9895...
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.