OpenTechnical

OT-2026-000050143

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three 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-2026-000050143) never changes.

Identity and time

Publication numberOT-2026-000050143 · never reused
Internal UUID01a0ae82-5c45-71af-ba43-697805db670f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050143
StatusPUBLIC

Content hashes

Canonical text4683573680f7187b13ee869425aa53a2532e02ebc573bfa9cf352b4715a11c62
Markdownc5aba963f279fc8e8f9fe014c6d8c9aa4271c21fd9980f4bb9903fe3db12ff2a
PDF
Publication pagea79210587bca74e8eb62cd47c6c2ae95a80db9a876066c321b4da39bd35a5b4c
Manifestd98a7d58e2dc1a9850fb3004d1444b5525726e9aed645436114f566ff25dd169

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
Signaturek6w6OOPIcWqoO6aAVCZUa1GyJXBxvKOQ9Z0nWl1b+pH6ZR7GxW768cgA5qIZATjky/WiumXuqP51pKQi/FhFDQ==
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

2026-09-17T11:01:06.854242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050143
observed a79210587bca74e8eb62cd47c6c2ae95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.836712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050143/manifest.json
observed d98a7d58e2dc1a9850fb3004d1444b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.816529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050143/publication.md
observed c5aba963f279fc8e8f9fe014c6d8c9aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.798319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050143/publication.txt
observed 4683573680f7187b13ee869425aa53a2...
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.