OpenTechnical

OT-2026-000086601

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000086601) never changes.

Identity and time

Publication numberOT-2026-000086601 · never reused
Internal UUID01a0ae9a-2c98-7736-ae89-8acc19754046 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086601
StatusPUBLIC

Content hashes

Canonical text9fe9db798e9096edef5063f61e5c73483d9c3e797656dc54af009969b25d6f87
Markdownfe5f2a588bf1fffdeb6cc6e70c27fbbe792cd8b3936bb6527552aa22c94a16cd
PDF
Publication page15361002a4508fd4771ce8ba37885fef463f9434894875e671f8ad6076e6d93b
Manifest4351b50a690cb746532285e9a0b332de2b5771fca422612331a5989570ba304a

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
SignatureoOQMV0QuDC8iHXYJsHs+HNotwOc7760LpmbJE1OOhtwvBjU3fjuoE5BZS4TFvPRcYelHwidB5F7ev+AET3SxBQ==
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

2026-09-17T09:52:26.731442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086601
observed 15361002a4508fd4771ce8ba37885fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:26.712643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086601/manifest.json
observed 4351b50a690cb746532285e9a0b332de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:26.694201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086601/publication.md
observed fe5f2a588bf1fffdeb6cc6e70c27fbbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:26.677309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086601/publication.txt
observed 9fe9db798e9096edef5063f61e5c7348...
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.