OpenTechnical

OT-2026-000084203

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000084203) never changes.

Identity and time

Publication numberOT-2026-000084203 · never reused
Internal UUID01a0ae98-5b60-7c56-a931-deec5651e43c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084203
StatusPUBLIC

Content hashes

Canonical textf3b98b73876b4185884eb0a5211b9166c51b9a2522b0824669f104ca5a8c4dd1
Markdownbc64791f6f69870bfd7896e8165e497303970f12889673f3617bc3ff399a682a
PDF
Publication page03513f8bd4d8b02ece517edd02f627da1ec967026393bdf59350a793b139cbb8
Manifestf722670ba2f1860d8382be2a9d3d57b9e405ae4750dad48d9cad34abaad46ae5

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
Signature0kjBtElNgpfutrXe7bysPpd5lJBwTC9FnWGZA3Tgz9GE86LN2HWJ1Nj311A/D36G9XqkwwEC/52zTFJEnxgMBA==
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

2026-09-17T09:55:59.141547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084203
observed 03513f8bd4d8b02ece517edd02f627da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.123897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084203/manifest.json
observed f722670ba2f1860d8382be2a9d3d57b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.105779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084203/publication.md
observed bc64791f6f69870bfd7896e8165e4973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.087377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084203/publication.txt
observed f3b98b73876b4185884eb0a5211b9166...
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.