OpenTechnical

OT-2026-000007473

Publication integrity record

Porous face vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000007473) never changes.

Identity and time

Publication numberOT-2026-000007473 · never reused
Internal UUID01a0a980-1ef8-72bb-8c9a-aa5022f3a4b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:15:41.179865Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007473
StatusPUBLIC

Content hashes

Canonical textca4435351853b590657d8f6baa806887ca763a88e57852d940ef36f81dd43f75
Markdowna5f658aca077acf8390bf3ea41bd076581d112287c45d141eb8e4b8ed761b057
PDF
Publication pagecede7ca261f3425b08caf5c2302d4010be587b46a991e3e303e666e98f64e09b
Manifest56d71cf654550a65235af49e97a4525b0102eb3f8667ab4deb2736518d2203b0

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
Signature2CIAdY5RVYeVd9TMosl8pAiuSWwaJLqTvWOqqTRS8rX/tZe5DEBWe2WGBvcWLLF/XzT8gqueQraQHA4dLfukDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:03.451673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007473
observed cede7ca261f3425b08caf5c2302d4010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.438182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007473/manifest.json
observed 56d71cf654550a65235af49e97a4525b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.423641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007473/publication.md
observed a5f658aca077acf8390bf3ea41bd0765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.410999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007473/publication.txt
observed ca4435351853b590657d8f6baa806887...
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.