OpenTechnical

OT-2026-000051831

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000051831) never changes.

Identity and time

Publication numberOT-2026-000051831 · never reused
Internal UUID01a0ae83-7c84-7445-b787-5fb73cb4a238 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051831
StatusPUBLIC

Content hashes

Canonical textd63588271d88eb814502516b0cfeabc35cda30b0a6a803871e025a05804d251a
Markdownc3d6feae0cee18556b6aedea343926c5dd86cabce6bb0c1c73fa6b97a2d40015
PDF
Publication page1649883af5f45f13c318c30420db9fc6796e97620785ab2cb44ca9d3ecf95b63
Manifest7f2e4821eb29e2796f2314394417962ac74f92fa0a4247f50945e9bd14979d3c

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
SignatureorO3QnsvK3vxzQamPlwTDZ2UcOy//RjSVSl8NFMReKIi5vaMWGNBjcU5nIqkjzsw9sO76MUEbAmnJ3GYWKFjAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:45.356705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051831
observed 1649883af5f45f13c318c30420db9fc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:45.338037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051831/manifest.json
observed 7f2e4821eb29e2796f2314394417962a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:45.318381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051831/publication.md
observed c3d6feae0cee18556b6aedea343926c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:45.298773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051831/publication.txt
observed d63588271d88eb814502516b0cfeabc3...
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.