OpenTechnical

OT-2026-000092057

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000092057) never changes.

Identity and time

Publication numberOT-2026-000092057 · never reused
Internal UUID01a0ae9d-43bc-7061-8deb-ca5b9c479d45 · 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-2026-000092057
StatusPUBLIC

Content hashes

Canonical text9aaaa8d4a96e1b78367988ee72e6ac698be13994733db88c86e16f3e37fc4c5f
Markdown1d3f6d544953dd973aa2c78bc9ab8821018e6b7c88ccc996ca6e482965b78ed2
PDF
Publication page77813b27de64b2b0de43562ab005e29c7a84b4ad3152ca3113dc5e41ac02016f
Manifest2f77cb0fb5abcd2c21a8e20ec156a1a90f07b29f02d9e5d31029385c0f2a2d8e

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
SignatureyQVux998bv+5w+h36HcztqvUbPjXsrqXRudaBib72Clu14SUC6sU5IHcsEu2a9YjJGANPn/6xfhFsba9kSuSBw==
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

2026-09-17T09:43:09.414785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092057
observed 77813b27de64b2b0de43562ab005e29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:09.395821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092057/manifest.json
observed 2f77cb0fb5abcd2c21a8e20ec156a1a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:09.377626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092057/publication.md
observed 1d3f6d544953dd973aa2c78bc9ab8821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:09.358292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092057/publication.txt
observed 9aaaa8d4a96e1b78367988ee72e6ac69...
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.