OpenTechnical

OT-2026-000043136

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000043136) never changes.

Identity and time

Publication numberOT-2026-000043136 · never reused
Internal UUID01a0ae7b-327a-761b-8a7e-3b290a6f1bbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043136
StatusPUBLIC

Content hashes

Canonical text42610d59461e19a355b55491f02f26b78857f8c3ae355af56602307983bd6ca3
Markdown4a7860c7c6ede9c26381e1cf6e29adf9c0a0d91216a685b02f300bd57d4db673
PDF
Publication page45a3500fa6801f49b3239e823b323c7676497e5cfb453730e3ac85e55ced2f41
Manifestb0ada98a7942aeb054a444a234fa5aa61296e3b6598daa37aa41030dbe97d1f6

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
SignaturerxCPGZK/7+Zxhh3Gx4DyH6TN0Dsm2ZhQHf6GYbI5ppGIajJy3sHzbVSKJP95RjJ1YklXpzp0aHmiIoYQZXC1Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:13:34.348456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043136
observed 45a3500fa6801f49b3239e823b323c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.328324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043136/manifest.json
observed b0ada98a7942aeb054a444a234fa5aa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.308148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043136/publication.md
observed 4a7860c7c6ede9c26381e1cf6e29adf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.288914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043136/publication.txt
observed 42610d59461e19a355b55491f02f26b7...
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.