OpenTechnical

OT-2026-000075919

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000075919) never changes.

Identity and time

Publication numberOT-2026-000075919 · never reused
Internal UUID01a0ae94-29ff-7b5e-ab0f-cf2619ee5d33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075919
StatusPUBLIC

Content hashes

Canonical text8ca0b40d99fada881c01ecc3f15dee765fba6420bd6554a3d642438cd34f88e6
Markdown852aec94aca2f3b7d0f89c1ba61c7264c0ccbb5db00590d66e95ec2541008f35
PDF
Publication page3c375f0704ca7df30e6d982badab3c42896d804fc681438334d517ebf95df05b
Manifest9f847804c09f1dd19ddf0df53f8f02db33b016848617b62135953f8ed9027db3

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
SignaturemaHIsj+4L7Y+2KYAG99K2O7ALK7aQ1iRGggs9Iuhze9PHjzAVVmVTWCnT/PU57Lsdjis2Zf6NR5VKydwb46ECg==
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

2026-09-17T10:12:56.214536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075919
observed 3c375f0704ca7df30e6d982badab3c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:56.193554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075919/manifest.json
observed 9f847804c09f1dd19ddf0df53f8f02db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:55.509336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075919/publication.md
observed 852aec94aca2f3b7d0f89c1ba61c7264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:55.445865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075919/publication.txt
observed 8ca0b40d99fada881c01ecc3f15dee76...
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.