OpenTechnical

OT-2026-000091944

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000091944) never changes.

Identity and time

Publication numberOT-2026-000091944 · never reused
Internal UUID01a0ae9d-43bb-7aa8-b73a-63cefa076ab7 · 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-2026-000091944
StatusPUBLIC

Content hashes

Canonical textfcb39971de755209b2aed348fffc70a45de0fc278dbf90c2985814f89ea9f873
Markdownaf40c615b0bfcf2bd2e02d4122b68f13ea4bbff275c7ed30f25029a8d840a23c
PDF
Publication page68e38ce3d518b2d51bd4fdefbc7920041b5ea597e874d7e547e0f8670558f737
Manifest5b784c57743f391471b31d8135fb2c5f7adad568a78df9186669e0c413069a62

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
SignaturejigV5lrkgApVXZUd7PHChcYJ3/0BDOyKX4jBuf//k1fSVjMRfLWJrDWYfxisVc7wqMNcI7qN5HYY3uslxBzqBg==
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

2026-09-17T09:42:53.465038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091944
observed 68e38ce3d518b2d51bd4fdefbc792004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.447367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091944/manifest.json
observed 5b784c57743f391471b31d8135fb2c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.430177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091944/publication.md
observed af40c615b0bfcf2bd2e02d4122b68f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.414321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091944/publication.txt
observed fcb39971de755209b2aed348fffc70a4...
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.