OpenTechnical

OT-2026-000026071

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed blow-off before set-down, on a tool changer

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-2026-000026071) never changes.

Identity and time

Publication numberOT-2026-000026071 · never reused
Internal UUID01a0ae71-a840-7203-b7e8-ed49a5fe03ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026071
StatusPUBLIC

Content hashes

Canonical text1673b78d1cbb7835ed6412c62da10c603fc9476a4398663906d94414df1587c8
Markdownec7e93b6e7b1271049a5aed774fa3a8b0b07aeaea29caea3b1b95586eb7fe12d
PDF
Publication pagea79e250f98f71ca6573b99bd256a851e54035a7739fd0b5c54db4c1e50589ea3
Manifestd8b12bd8555175e438360ef7381c7b29162e2ecda50e6a6b2c7f1fe8d43e2af4

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
SignaturerMk1EP6nN5UwDpCxbAZqogDlUiHBCrC6pWwLJd3AlezV7yQ+hgXp9LJXrWh6YdxmryHpi9jtP8zgLkjfb/w7Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:34.029757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026071
observed a79e250f98f71ca6573b99bd256a851e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:34.008086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026071/manifest.json
observed d8b12bd8555175e438360ef7381c7b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:33.989444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026071/publication.md
observed ec7e93b6e7b1271049a5aed774fa3a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:33.972174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026071/publication.txt
observed 1673b78d1cbb7835ed6412c62da10c60...
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.