OpenTechnical

OT-2026-000004757

Publication integrity record

Porous face vacuum gripper, per zone isolation, six outlet manifold, three stage ejector, pressure verified

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-2026-000004757) never changes.

Identity and time

Publication numberOT-2026-000004757 · never reused
Internal UUID01a0a922-6401-7385-bee0-1d362fef5fc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:33:18.468745Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004757
StatusPUBLIC

Content hashes

Canonical text537d2ae1eb48a0cc5eb1845d382b9f9eefaa2116baabe69cf8eb956fb72124c4
Markdown907857191b659c179fc590869a408e9856104adcc7f52e69d32c9eb355515db9
PDF
Publication pagefc8d68eb5f38598357acff7b920d59971ff0c7cf14d0ba0d7ed3f5b41b203dd0
Manifestdf77f6d75376dad872b3e93f8bfe157a529dee0122c569b3f151d7f0118346db

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
Signature5zB0Ihmcjb7YtKJCafRWIx4CdPVvAHWW0noc7IDMbiePhEr+vYHCiwTKbeMVpuXlVpfwoRLoVriNlWeS1GXSAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:22.211498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004757
observed fc8d68eb5f38598357acff7b920d5997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:22.198770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004757/manifest.json
observed df77f6d75376dad872b3e93f8bfe157a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:22.184111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004757/publication.md
observed 907857191b659c179fc590869a408e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:22.171390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004757/publication.txt
observed 537d2ae1eb48a0cc5eb1845d382b9f9e...
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.