OpenTechnical

OT-2026-000091602

Publication integrity record

Foam pad 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-2026-000091602) never changes.

Identity and time

Publication numberOT-2026-000091602 · never reused
Internal UUID01a0ae9d-43b8-7cf1-8d1b-0d6c87441632 · 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-2026-000091602
StatusPUBLIC

Content hashes

Canonical text49f1c7fea348a4a7149d5993e1cf61ee58d2397b832eec1c738a1e98f4529428
Markdown735e44696cbac606497ea79a05c30eb183fb4375afee80b1f2691bfcbe1c2cc8
PDF
Publication page46a22a8b07c06a3c1b12f14a45897652bb25cc90d66e02e14bb46f7c424a374d
Manifestd98969a7878a2536bc0924f4b27b73084ed13faec4a2199726d786fd0c149ad4

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
SignatureC74SbZNKzfRlUA5qb8vKPH7ys2H217q6IZ21t5wjoAryJ8UZpiz9qYUpuEcXeEmt6TKRoblI0fvJ/1CpdaH+Dw==
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

2026-09-17T09:41:57.401463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091602
observed 46a22a8b07c06a3c1b12f14a45897652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.384829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091602/manifest.json
observed d98969a7878a2536bc0924f4b27b7308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.367238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091602/publication.md
observed 735e44696cbac606497ea79a05c30eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.347647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091602/publication.txt
observed 49f1c7fea348a4a7149d5993e1cf61ee...
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.