OpenTechnical

OT-2026-000005134

Publication integrity record

Porous face vacuum gripper, two zone face, three outlet manifold, ejector fed

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-2026-000005134) never changes.

Identity and time

Publication numberOT-2026-000005134 · never reused
Internal UUID01a0a92e-eca3-7a61-b16d-882f495bb3db · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:59.878139Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005134
StatusPUBLIC

Content hashes

Canonical text4a099e10ae181d03ac879a0be65dcd3da067db912a96601636275410b33b35c2
Markdown3f85d14e672af8d9e9dcd02e14968f4335ecdf96c09d7d6ae07a29717f5d6d17
PDF
Publication page353314ee46fbae3943911523cec9f61f45cc3c15e84e835356f9d8ab083f4e8f
Manifest8a0c98e66243a4ae392503de381311a081c16cb18af12d723f5c9b40d4373d99

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
SignaturebFfUytDADhwq3QXV7m1taDHjZDXGieOuUx3Kyf8Rp0M1KoKYZ3UwDziw+3GPxh4gwj4bFP0rL/JLqRipJQx+AA==
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

2026-09-16T07:50:11.737610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005134
observed 353314ee46fbae3943911523cec9f61f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:11.722528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005134/manifest.json
observed 8a0c98e66243a4ae392503de381311a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:11.709709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005134/publication.md
observed 3f85d14e672af8d9e9dcd02e14968f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:11.696536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005134/publication.txt
observed 4a099e10ae181d03ac879a0be65dcd3d...
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.