OpenTechnical

OT-2026-000087160

Publication integrity record

Three cup vacuum gripper, three zone face, six 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-2026-000087160) never changes.

Identity and time

Publication numberOT-2026-000087160 · never reused
Internal UUID01a0ae9a-9f2e-7f86-a74d-60951fe9cc96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087160
StatusPUBLIC

Content hashes

Canonical text9caa387eca15e3b6ac1ff91e4cd526597d8617407d073e35398f3a549db93b7f
Markdownce65cc9ee1ad13365f4a971c3576a037946bef43b357bd25ce0d5322aa0520c9
PDF
Publication pagec70715c65633f50ede58849cfc790ff50da580a7666bb1284a45cc0dc6ca67bb
Manifest61fac54b02ead249b4855cc16dd3e7da8e329d83593d84ff8106d337ec0cf383

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
SignaturePDOgSQj8AwKKU3l/8BrDNrDP4/5kMq3eI6VTqtUFu5UOgWDgYTz3Yi5Nft211sicJSh1DF/r2Sh7ivvZK6IXDg==
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

2026-09-17T09:51:25.620904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087160
observed c70715c65633f50ede58849cfc790ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.605117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087160/manifest.json
observed 61fac54b02ead249b4855cc16dd3e7da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.589378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087160/publication.md
observed ce65cc9ee1ad13365f4a971c3576a037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.572940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087160/publication.txt
observed 9caa387eca15e3b6ac1ff91e4cd52659...
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.