OpenTechnical

OT-2026-000068241

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000068241) never changes.

Identity and time

Publication numberOT-2026-000068241 · never reused
Internal UUID01a0ae90-247f-7945-bd63-3184d0980e0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068241
StatusPUBLIC

Content hashes

Canonical textd91d3c9f334893bf7a3a2ce6a2c33e2e56f13ffda4892cea08cc26f8648a388d
Markdownf338cc615127066fbea25edc7b5d5ddeb525037d5cc05edff6864738a79d82d3
PDF
Publication pagebecf9cea9b2a2246174acdc9336ded8c8581768224ba5b7943ff47f18918357e
Manifestef7119e095cd5e2dbd5d699a8b2d8af75fef601e6b612208493e138bd9ba6d02

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
Signature1ai+QjDR/hamD0cFgk6CWVYiUsuMmjoSSIJjGtitsqX/HrVNzRODGvLwzDaddbTITDA1F18Fizk7w2uVG6DCAA==
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

2026-09-17T10:29:15.584925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068241
observed becf9cea9b2a2246174acdc9336ded8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.566938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068241/manifest.json
observed ef7119e095cd5e2dbd5d699a8b2d8af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.549830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068241/publication.md
observed f338cc615127066fbea25edc7b5d5dde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.531859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068241/publication.txt
observed d91d3c9f334893bf7a3a2ce6a2c33e2e...
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.