OpenTechnical

OT-2026-000081181

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000081181) never changes.

Identity and time

Publication numberOT-2026-000081181 · never reused
Internal UUID01a0ae96-f373-7096-a92f-caef719e0437 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081181
StatusPUBLIC

Content hashes

Canonical text3f46679225de80b87b451daa4b52c1e028690d7cc7ac85f8979c200d1cfdc074
Markdownecc4ecd3ecee2935c436a1183bdc25530a6b04c2fde44148e001023eedb0d449
PDF
Publication page2c74055fe523f11a90f3bde23797a617a3922b91ab6485d88104898321bc2a14
Manifest1001c597ec493cfc5533fd517c580a53d8e298b77f719ec9aa42a77cedff3faa

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
Signaturen2W5lNqD6IYW6G+TwhGUKr3nfE623xM5gnhXaWk+rFj4U34MgtiGM9yYN/3LKFXEMiojK/n4ycWcu0fhtb2jBg==
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

2026-09-17T10:01:14.913935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081181
observed 2c74055fe523f11a90f3bde23797a617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:14.896141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081181/manifest.json
observed 1001c597ec493cfc5533fd517c580a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:14.877744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081181/publication.md
observed ecc4ecd3ecee2935c436a1183bdc2553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:14.857258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081181/publication.txt
observed 3f46679225de80b87b451daa4b52c1e0...
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.