OpenTechnical

OT-2026-000067932

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000067932) never changes.

Identity and time

Publication numberOT-2026-000067932 · never reused
Internal UUID01a0ae8f-c4fd-7fc6-ac5c-90372e993d63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067932
StatusPUBLIC

Content hashes

Canonical texte35e1271217967f74dbe313449622e0e86eacaf1d19d92d76015fc74332b3be5
Markdown84135df28cf3ed0b22e2139bff60a6440536d8fb07d72b11886849022a4ec4ee
PDF
Publication pageef777db67443a2b1c7d8db80578bd6617c13dc50ed68885e02f284cde885df0d
Manifestf36d651801bc47017f9b2eda07630657774c182ddf4235caf438aec0c8a5e7a1

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
SignaturewoSaJxPrTQ5DACfAaO5sFwaRa4KcS0vV/mJXIQsYcZF1DDSbkdEpuQnHhCbIiFljCrQFfVXD9Z8t1c44Dl2QBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:20.681808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067932
observed ef777db67443a2b1c7d8db80578bd661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.662829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067932/manifest.json
observed f36d651801bc47017f9b2eda07630657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.643998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067932/publication.md
observed 84135df28cf3ed0b22e2139bff60a644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.623475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067932/publication.txt
observed e35e1271217967f74dbe313449622e0e...
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.