OpenTechnical

OT-2026-000091978

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091978) never changes.

Identity and time

Publication numberOT-2026-000091978 · never reused
Internal UUID01a0ae9d-43bb-708c-957e-ba65eca0d2bf · 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-2026-000091978
StatusPUBLIC

Content hashes

Canonical text1bcc1368613942f98c04edfbeb0aaa20e16c9d483d32b2002d0420be3ca4966c
Markdownaf8da0f9f310acd9fdef11b601e2de92fb1933820c5bdc82d24f49459f5cc908
PDF
Publication pagef3b5804ff9eaf4a9a69f87b06a9e33818687c2234404422b48ddf4afcc95f696
Manifesta5c5cba1c5be034d948ae200f747330d4d8060dae4e7c20770f4385f3dbd42bb

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
SignatureqZaJZBvXm/sYPQTfkWqm46HJ7eFp3E2gPW2b/+sL+CpovAyt9TizDGEFbTrXtLykUWPcdmQDdxktOtb7+ZlWBA==
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

2026-09-17T09:42:57.056078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091978
observed f3b5804ff9eaf4a9a69f87b06a9e3381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:57.020668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091978/manifest.json
observed a5c5cba1c5be034d948ae200f747330d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:56.971696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091978/publication.md
observed af8da0f9f310acd9fdef11b601e2de92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:56.912749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091978/publication.txt
observed 1bcc1368613942f98c04edfbeb0aaa20...
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.