OpenTechnical

OT-2026-000013869

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000013869) never changes.

Identity and time

Publication numberOT-2026-000013869 · never reused
Internal UUID01a0ae6d-8de9-7ef1-b290-d265eefebf67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013869
StatusPUBLIC

Content hashes

Canonical text972160bc763faf7ed408e53357bdcc64af297293d49be8ed1a3616d85e241702
Markdownaa07a9afed7bdf0a9f4f4ea5f6183a857113f8f8ec72d7feb6aeafb91ce2fce2
PDF
Publication pageb9a60bf672ea6a47c378681d6976d06ff26146880a5e77862c3f5bb714e96b3e
Manifestfae46ef36935887b7772b89dfb96a67b8ac83821b29327fc087435bfac1e571f

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
Signature0etSiBRjnOCym9CD9Feq6Obhb7lPzgpXD1q2c2sRFhWH8FysUb3F7nW+uKQEsVay674XLBlkzCojsr0jDHauAQ==
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

2026-09-17T12:08:59.045842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013869
observed b9a60bf672ea6a47c378681d6976d06f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.025705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013869/manifest.json
observed fae46ef36935887b7772b89dfb96a67b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.003283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013869/publication.md
observed aa07a9afed7bdf0a9f4f4ea5f6183a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.982538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013869/publication.txt
observed 972160bc763faf7ed408e53357bdcc64...
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.