OpenTechnical

OT-2026-000005840

Publication integrity record

Porous face vacuum gripper, six outlet manifold, ejector fed, vented after set down, closed cell

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-2026-000005840) never changes.

Identity and time

Publication numberOT-2026-000005840 · never reused
Internal UUID01a0a946-9764-73cc-bd24-a71cd1a416f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:12:50.918689Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005840
StatusPUBLIC

Content hashes

Canonical textde0858acd8795bf6a8c7eb7844b248e34042e5c644eb7780d702b227acd61ec1
Markdowncb41e4ec667d2e9aae42b9939686c5aaf69411e8518a7a0e83d430e8aea08875
PDF
Publication page017f6ab6fef56b8410d8544f5c0c13b3578b5016f46496c8a3ff81d3161fef55
Manifestf15a7b5e48047e39dfdc3595745288c8281ffd20a19a1093d57b4663f5214bee

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
SignatureO80XocYjAPWAyNHnp5wqJewSVD8gLSNZDwl9D1sFNPZIHrbX5xJ9w2CBunJ2hZuAMzUiwxvKHxGNv4M/xQcWAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:26.721523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005840
observed 017f6ab6fef56b8410d8544f5c0c13b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:26.707353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005840/manifest.json
observed f15a7b5e48047e39dfdc3595745288c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:26.691712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005840/publication.md
observed cb41e4ec667d2e9aae42b9939686c5aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:26.676782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005840/publication.txt
observed de0858acd8795bf6a8c7eb7844b248e3...
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.