OpenTechnical

OT-2026-000071053

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000071053) never changes.

Identity and time

Publication numberOT-2026-000071053 · never reused
Internal UUID01a0ae91-8c2e-734a-80c7-25063d60a920 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071053
StatusPUBLIC

Content hashes

Canonical textd7ea8badd417bd82f9cbf0ef063d4d5335b7baeb14c9cdb3691c9da77996e985
Markdown183767baf610bf80550bf1e527223a79e523cdaa5166b5e611dfeb42ebcbfcde
PDF
Publication page7fa9ce34868bab3756a83b07a71be967d8b7c5488a67d26ba01b9bdd16b68881
Manifest4af852d775d16f7ae774e569a58b1e0e5f0f2e9af5f5aa58dba33316f620b3dd

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
SignatureghjFaKGzjQfJfkBUJj/0X9JnpYx5lwFJxUHYj7DpbX+CtJN6vtE3M71LAEvSJE1ooELoarun6iGWqgl8lySuCw==
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

2026-09-17T10:25:54.621599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071053
observed 7fa9ce34868bab3756a83b07a71be967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.606095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071053/manifest.json
observed 4af852d775d16f7ae774e569a58b1e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.588521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071053/publication.md
observed 183767baf610bf80550bf1e527223a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.570044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071053/publication.txt
observed d7ea8badd417bd82f9cbf0ef063d4d53...
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.