OpenTechnical

OT-2026-000067756

Publication integrity record

Single bellows cup vacuum gripper, pump fed, 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-2026-000067756) never changes.

Identity and time

Publication numberOT-2026-000067756 · never reused
Internal UUID01a0ae8f-c4fa-7e21-9861-92200eeaba6d · 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-2026-000067756
StatusPUBLIC

Content hashes

Canonical textc79dda4256d02b38e389a66e27599ec82057827d2d265b6bb5e4c6f0d925be9b
Markdownfcd7e0c02046e3c62339e93fd5577853f8af7ca0ba9075466438784fef5868e2
PDF
Publication page3b99cb9eaf877a2ac5d80102bc7705c1446979c4d91c5441123f5d7f38d17c35
Manifest750b06428f465cf1505db046e259a4a82a600c5c7c8f6ef1a847a004e30583b5

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
SignatureoAdpQfOP9LOHpVItI8hqaEs1sm/NgSE4y7zxOniDeZEmOGrxYns8mY7XnorZrlvru3FVXfZJ5GVlJKNDax6QCg==
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

2026-09-17T10:29:59.027527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067756
observed 3b99cb9eaf877a2ac5d80102bc7705c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.007940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067756/manifest.json
observed 750b06428f465cf1505db046e259a4a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.990354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067756/publication.md
observed fcd7e0c02046e3c62339e93fd5577853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.971464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067756/publication.txt
observed c79dda4256d02b38e389a66e27599ec8...
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.