OpenTechnical

OT-2026-000091181

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091181) never changes.

Identity and time

Publication numberOT-2026-000091181 · never reused
Internal UUID01a0ae9c-f16b-72c1-b782-f37c35a27e56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091181
StatusPUBLIC

Content hashes

Canonical textc6df7560c939eda9f5e11c9b770d3b5775b79a930e627899a6a425c4dc330c3a
Markdown581649cbe65d3c723bfc44f14bb9b5a9eae2fbe81107f1ce71e9a70fa608489d
PDF
Publication page1dca13aa48478df49930584d1c10ac0a8b05fd819d27ebe4f861c23d9a4194f2
Manifest572ca976fdef4583abb2a8374fff06affb1a9fd85e658233ab3666d22de87620

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
Signaturejsbv4NWhDUEIqEqwr40DU9LHagjwqr9k2v6ZUTFagEZM/8jmX3OekARVLGO9BLoa3n2Fj7Y0lfqZlZhLNjF4BA==
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

2026-09-17T09:43:20.460195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091181
observed 1dca13aa48478df49930584d1c10ac0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.442925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091181/manifest.json
observed 572ca976fdef4583abb2a8374fff06af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.425004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091181/publication.md
observed 581649cbe65d3c723bfc44f14bb9b5a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.406859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091181/publication.txt
observed c6df7560c939eda9f5e11c9b770d3b57...
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.