OpenTechnical

OT-2026-000027184

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000027184) never changes.

Identity and time

Publication numberOT-2026-000027184 · never reused
Internal UUID01a0ae72-3454-7d34-bf04-c94c38e8e505 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027184
StatusPUBLIC

Content hashes

Canonical textd7f6acee36ce97c94e41ba94a984506d7d22a77a4b7dcedaa6534a12104cc60d
Markdown6cc243cbced45e6a3be17691ddfa20e72e066c3486ae124bfc1f9552e477e78b
PDF
Publication pagecf286529064b903ba3a30ee60c57edaebd260d26690ebfecd8239f80a33bfe9e
Manifest3b845a086cdb8cd4d8392a45cf63a431020d87f87b7aa9cab848c08a44969b55

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
SignatureP78hy8J8ndH40IRDaxG7ijITNnvHj8Gj++ZMqhTAucMDW+vyWUr0PstMTTN+aPSFNZQDmhedNenvz8b8oVVQDQ==
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

2026-09-17T11:44:04.262383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027184
observed cf286529064b903ba3a30ee60c57edae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.244091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027184/manifest.json
observed 3b845a086cdb8cd4d8392a45cf63a431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.223241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027184/publication.md
observed 6cc243cbced45e6a3be17691ddfa20e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.204696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027184/publication.txt
observed d7f6acee36ce97c94e41ba94a984506d...
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.