OpenTechnical

OT-2026-000026914

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000026914) never changes.

Identity and time

Publication numberOT-2026-000026914 · never reused
Internal UUID01a0ae72-3452-73bb-b973-f1e54aa03aea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026914
StatusPUBLIC

Content hashes

Canonical textb74456e8e0c45949dcc7c73c008ef6899c91c09024733cbd2c89476258b46853
Markdownef94951c3d66ca17e41b17593354ac18c6741d1d3093f32c6393f04369d1dbde
PDF
Publication pagef346f4a077de2008310ec14da427fc2d9154f5dca4dad3c8d0e710b45e9e0958
Manifest5571fb63c66cf393a5c026dffa5b40bb880a83e0bdd321b8cd9a6d48fa754052

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
SignatureAFCbbcGNzQM8O1FWeEaxgdauPztPya30oxQNgtRFS7P6RfpjOq0swnta67gZXNUa4RSg19+wQsW5zAw5JfxwBg==
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

2026-09-17T11:43:31.650487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026914
observed f346f4a077de2008310ec14da427fc2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.632746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026914/manifest.json
observed 5571fb63c66cf393a5c026dffa5b40bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.615263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026914/publication.md
observed ef94951c3d66ca17e41b17593354ac18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.596866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026914/publication.txt
observed b74456e8e0c45949dcc7c73c008ef689...
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.