OpenTechnical

OT-2026-000047159

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two 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-2026-000047159) never changes.

Identity and time

Publication numberOT-2026-000047159 · never reused
Internal UUID01a0ae7e-d0f9-7b45-8093-726b7bffc7c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047159
StatusPUBLIC

Content hashes

Canonical text891031990ebc74127132bd3fcc17158972b6ff7a38fabbda554486fcce001e1e
Markdownb8af341f3e81238c4267bf5c5807ef5e5b1e134eb2730509734c2ced91804a2c
PDF
Publication page724432ef0c4c3b8fc37ef2b862ef820649b985feba450a1cc05a80906cbe0ec4
Manifest3220073e7bf2016381f4657021eda0a5c4214ea5bb356b71c80f9fad6996e35a

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
SignatureHQ2ugBLGYRtNpV6LZXptFgSBVOPNws6M0YxAQi/okGKY1u1X6jfmT8k4gRiF/h4LpxSaoCanPPlhUYWKgcw1DQ==
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

2026-09-17T11:10:30.087578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047159
observed 724432ef0c4c3b8fc37ef2b862ef8206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.068102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047159/manifest.json
observed 3220073e7bf2016381f4657021eda0a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.049097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047159/publication.md
observed b8af341f3e81238c4267bf5c5807ef5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.031053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047159/publication.txt
observed 891031990ebc74127132bd3fcc171589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:58.356500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047159
observed 724432ef0c4c3b8fc37ef2b862ef8206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:58.338617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047159/manifest.json
observed 3220073e7bf2016381f4657021eda0a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:58.319573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047159/publication.md
observed b8af341f3e81238c4267bf5c5807ef5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:58.300635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047159/publication.txt
observed 891031990ebc74127132bd3fcc171589...
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.