OpenTechnical

OT-2026-000100730

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000100730) never changes.

Identity and time

Publication numberOT-2026-000100730 · never reused
Internal UUID01a0aea3-66f4-7239-bac6-e840a00432f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100730
StatusPUBLIC

Content hashes

Canonical text6a27d9ed0419c995e7aedc2ee29d49f6bb0e8a59b88de9cb9e159108bee6953d
Markdown122089436e95c342f19b5f58bfdb609f03e8d72d669baaae89d7fdc0fa4f2ebc
PDF
Publication pagef16f533a1140ad5f27b62d5816ffbc7872c756d53c5ccee355c2e47bdc868433
Manifestf1bda8eeaaf441d36704381419d08437ec6cf61714e5174dd1b7bdeb7d7bdeea

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
Signature6ZnSTVpqtnuVvn5mJJ3wnEY+I0l7lc5hTrNILXIz8TK8aVW49EAasvcMGcm25ULIstgaWVgQ4Ks9fZKjm6JuDQ==
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

2026-09-17T09:27:33.527610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100730
observed f16f533a1140ad5f27b62d5816ffbc78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.509557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100730/manifest.json
observed f1bda8eeaaf441d36704381419d08437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.490379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100730/publication.md
observed 122089436e95c342f19b5f58bfdb609f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.470426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100730/publication.txt
observed 6a27d9ed0419c995e7aedc2ee29d49f6...
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.