OpenTechnical

OT-2026-000051970

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, vented 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-2026-000051970) never changes.

Identity and time

Publication numberOT-2026-000051970 · never reused
Internal UUID01a0ae83-e78e-7026-8df2-182008016cf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051970
StatusPUBLIC

Content hashes

Canonical text29042c7518f831c4f9dff8a008f8536dad26863ad7a32bd650dd53d353d7e3ff
Markdownb669b21703bd9364046d546f647e3aefb7598714a45cf55b3839eabca7552eb2
PDF
Publication paged379920c190326a08852b0e05851172e19981bedd70a00f2f5ff6077938485ab
Manifesta56c664da2da8d69ab1b501caab67dc4544bad6fc6bb38cb676c692ee06b020f

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
Signature3gT5xC0kTP/VkUpA1RvzGe5XL9+qRsNbSDbH4oMNG9e31c+9nEAv3JyTPUVgDZ0hY9eY74i+vxcs5BmjbPqQCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:28.202910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051970
observed d379920c190326a08852b0e05851172e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.185713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051970/manifest.json
observed a56c664da2da8d69ab1b501caab67dc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.168400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051970/publication.md
observed b669b21703bd9364046d546f647e3aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.151017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051970/publication.txt
observed 29042c7518f831c4f9dff8a008f8536d...
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.