OpenTechnical

OT-2026-000033181

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, pulsed 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-2026-000033181) never changes.

Identity and time

Publication numberOT-2026-000033181 · never reused
Internal UUID01a0ae75-4844-707d-a2c4-f48ce1778570 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033181
StatusPUBLIC

Content hashes

Canonical text0a7a54db9bdf35c1447e9c151096faee0df4a9eb6e960c9ee5d6bd9e3ec1656f
Markdownaebbbddb84c5b0c4a7549c100bf0d173e14f586bc5929c8bdc19ce1083742150
PDF
Publication page58011a2f07fcb43084c8c5b8026a8e4dc1b8df0f6bf2fbda3099f0011c905022
Manifeste9371ce23051517d1463a5263d77bd06dfb6ea43d5f012c56e3de1248a016ddd

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
SignatureiQ1AtOq07nY2DsEfABSdwnoCdiWrqzSEZKT1afY5fi5vuvU2/Z7x2MnzNXbC7qm3TY16K3rWw9B6Ix3la2BLDQ==
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

2026-09-17T11:32:52.517920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033181
observed 58011a2f07fcb43084c8c5b8026a8e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.502517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033181/manifest.json
observed e9371ce23051517d1463a5263d77bd06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.486097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033181/publication.md
observed aebbbddb84c5b0c4a7549c100bf0d173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.470167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033181/publication.txt
observed 0a7a54db9bdf35c1447e9c151096faee...
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.