OpenTechnical

OT-2026-000091600

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000091600) never changes.

Identity and time

Publication numberOT-2026-000091600 · never reused
Internal UUID01a0ae9d-43b8-74df-ba6f-d6b281d38cd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091600
StatusPUBLIC

Content hashes

Canonical texta094b4fcf99b7a52c7539e728cce2fdff3caa8cb5f4450fb625db0d07ee46f6f
Markdowne4750485affe47e1bf71103168923e6266fc4a7d6be0d65caa7681c9e34ae773
PDF
Publication page25dab4274da66c57473f4138aca719eb0ae24c10765cac65d897f615ba9640c4
Manifest14515dd1d5832f04127ae0f25a9ff781b981a208726e210b64032756d78fb3df

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
SignaturewdoaikpqsDQwFZGOWJgXRyEoKxeTgl9Wl1KN0v5cU3dzKKShuPRbqJ1hgYOaCADLFxE9dd6wYpTw+HdTWLBZAQ==
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

2026-09-17T09:41:57.186887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091600
observed 25dab4274da66c57473f4138aca719eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.168638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091600/manifest.json
observed 14515dd1d5832f04127ae0f25a9ff781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.151621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091600/publication.md
observed e4750485affe47e1bf71103168923e62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.134573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091600/publication.txt
observed a094b4fcf99b7a52c7539e728cce2fdf...
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.