OpenTechnical

OT-2026-000034181

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000034181) never changes.

Identity and time

Publication numberOT-2026-000034181 · never reused
Internal UUID01a0ae75-df0d-733c-864c-126857b832db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034181
StatusPUBLIC

Content hashes

Canonical text41b1a09dbfc698e35503d81fd1cc543a6a60d3b909ebe64b96231cf00953aa30
Markdown75213a9489338e0f7bdebb616ef1e378060e7ca3b481baa09a2977f703184a26
PDF
Publication pagea9071c4df9609b812a1ea1cfb729be6d0e9331b499ea7b4c2d252ad3d1d83279
Manifest6938b680f38a0145790f41c1ce25cd9d57cc62447839e139a02297b58af8cf67

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
Signature4lq7dVnzVRJPnPtmsc+TFz3MO9dacF2LxpuuvidVh8BfjfelBLBS0zuwwn+cpthBon2W36TtEy9vC2caFReYAA==
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

2026-09-17T11:30:42.820074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034181
observed a9071c4df9609b812a1ea1cfb729be6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.802139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034181/manifest.json
observed 6938b680f38a0145790f41c1ce25cd9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.785439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034181/publication.md
observed 75213a9489338e0f7bdebb616ef1e378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.767951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034181/publication.txt
observed 41b1a09dbfc698e35503d81fd1cc543a...
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.