OpenTechnical

OT-2026-000099919

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000099919) never changes.

Identity and time

Publication numberOT-2026-000099919 · never reused
Internal UUID01a0aea3-1473-70a4-95f4-d5d0bb60ba46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099919
StatusPUBLIC

Content hashes

Canonical text98bd7b67fab1e1fb1b2f14d768e8537652e1c2efd34694f61e955a889a56fdf2
Markdowncb9971915cb127a48743a23f9bb07a5221ac79e6e78eae0fde957f0e415a484c
PDF
Publication pagedba7660d38eb034ece81dcbc642d2adf4d9085c0ae3d53afb5a7d48099b8fe32
Manifest1a65da9d563eb94afee309db1cb106841be885e83efafcba47ebd75533db5dd6

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
SignaturemwMfbmQhdIwsg9X04K/c0KviKKQ/XPRN+HT8TfOQ6YKt3FvXv6+gIqeiNpWlYI5LTrGriv9jW41Al5nnmmtvDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:33.762044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099919
observed dba7660d38eb034ece81dcbc642d2adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.743672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099919/manifest.json
observed 1a65da9d563eb94afee309db1cb10684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.722562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099919/publication.md
observed cb9971915cb127a48743a23f9bb07a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.703956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099919/publication.txt
observed 98bd7b67fab1e1fb1b2f14d768e85376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.319320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099919
observed dba7660d38eb034ece81dcbc642d2adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.300992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099919/manifest.json
observed 1a65da9d563eb94afee309db1cb10684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.282928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099919/publication.md
observed cb9971915cb127a48743a23f9bb07a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.262502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099919/publication.txt
observed 98bd7b67fab1e1fb1b2f14d768e85376...
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.