OpenTechnical

OT-2026-000084633

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, sustained 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-2026-000084633) never changes.

Identity and time

Publication numberOT-2026-000084633 · never reused
Internal UUID01a0ae98-e25b-76c2-bbdf-228302c8ba91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084633
StatusPUBLIC

Content hashes

Canonical textce7d0f175bdb3c3f25c2b6116c51f99106b2eb311625b4c59d86839564051a93
Markdown5b63a51f10109062a86adb6979d60ee431e2214faa395fe3d15a0fd7555fb42b
PDF
Publication page8f6b9898535daeb9eaeb2428abf86de36c6a3846ba08a43922b9ab5e00c648b1
Manifest4c1bec48e5ae779c0225634fdb11b9dd5aef40cb662a575c052fd2fc5b3d79cf

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
SignatureZGfZFaWw+nBjyWBoGuImGWL7C5Kq315J4iTR0ilXxHlSAzXtOieMpEa9ZzxyWL7+s6Wido8VAfL9uH90IplpDQ==
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

2026-09-17T09:55:32.980967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084633
observed 8f6b9898535daeb9eaeb2428abf86de3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.963401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084633/manifest.json
observed 4c1bec48e5ae779c0225634fdb11b9dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.945591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084633/publication.md
observed 5b63a51f10109062a86adb6979d60ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.926355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084633/publication.txt
observed ce7d0f175bdb3c3f25c2b6116c51f991...
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.