OpenTechnical

OT-2026-000018971

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000018971) never changes.

Identity and time

Publication numberOT-2026-000018971 · never reused
Internal UUID01a0ae6e-d522-723e-89b1-65ce9a82d22d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018971
StatusPUBLIC

Content hashes

Canonical textbaf2bf40fcf43fae60633ba2855bc3a25dbb75417a34c7ae1a604784e2bcffb9
Markdownf11d5281049d46a8b3aa9b7a1719080500636bdad9c79f78415285d641980f8c
PDF
Publication pageefcab41b41ade42557c51596fc319ab2963501149d6ef7ac92c384378295ee89
Manifest2fd63efe87639694c6cc131438db73a1985a9fc6e4e900e28ba7d5bb55af5efd

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
SignaturemXxY5WkANRljFbkKdV8c6mddsE73NUJnLCuut5u2ORGN8MBiJbSFvyyMXAeEZ9WjaBLL4AweSAmy+UTov/BwBQ==
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

2026-09-17T11:59:38.859671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018971
observed efcab41b41ade42557c51596fc319ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:38.842318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018971/manifest.json
observed 2fd63efe87639694c6cc131438db73a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:38.827188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018971/publication.md
observed f11d5281049d46a8b3aa9b7a17190805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:38.809109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018971/publication.txt
observed baf2bf40fcf43fae60633ba2855bc3a2...
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.