OpenTechnical

OT-2026-000005378

Publication integrity record

Porous face vacuum gripper, per zone isolation, ejector fed, contact triggered, vented 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-2026-000005378) never changes.

Identity and time

Publication numberOT-2026-000005378 · never reused
Internal UUID01a0a937-2549-7626-86d4-b0b1e8558e0a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:58.667803Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005378
StatusPUBLIC

Content hashes

Canonical textd324477dad744e8131a17a6e86420ca683c16b01fa7df52ac3487b3f20983c37
Markdownf307ee1274064155950ad8317619df424e4130ac1be21cc79dfce56c964470b8
PDF
Publication page6a6eb969a58b616a3ed12ee22b7ed6ec4f714d8a71c3c3042115eeee4e3b7897
Manifestf9211d1b9e80f64332eb651cb853611b6807284183b91ed1e8ff8eb5bccbd413

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
SignatureEaXcWVmi8FAyOA6BUS6kZh2QdHDmvoFBjVnjf41oDn3BP6Z/4ItjG9xRVgVkQicOS4k9ynET+fh84i+yoU9zBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:16.247549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005378
observed 6a6eb969a58b616a3ed12ee22b7ed6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:16.234588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005378/manifest.json
observed f9211d1b9e80f64332eb651cb853611b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:16.219839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005378/publication.md
observed f307ee1274064155950ad8317619df42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:16.205889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005378/publication.txt
observed d324477dad744e8131a17a6e86420ca6...
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.