OpenTechnical

OT-2026-000104017

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000104017) never changes.

Identity and time

Publication numberOT-2026-000104017 · never reused
Internal UUID01a0aea5-15e9-7f35-8a80-1ecd238485f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104017
StatusPUBLIC

Content hashes

Canonical text71775f0a8848586cd4b00133af01a1886195ab2390b7e5c78aec675c9e9413a8
Markdown985be6ce6a39f4816a9a5c1fe48557c2cb63918ae527f931064a41edee801947
PDF
Publication paged92d2ce9192e23b520ed4db52f66daaf008e5c9026b50ca9cb681bcefe068d95
Manifest65fa78f9f9fe0fac50fb3892873f4c6dcdce618c63ccf943da363f2ea402cb8e

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
SignatureSuXmQkhhatrA5elZDzE3Qfa64ha9uqNB1/WyjPE+4l+1SxUITGuJkm9EgKxOVPAHJL4B+gmzBSkg5AHQ+5p3BA==
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

2026-09-17T09:22:03.501859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104017
observed d92d2ce9192e23b520ed4db52f66daaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:03.421751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104017/manifest.json
observed 65fa78f9f9fe0fac50fb3892873f4c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:03.399308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104017/publication.md
observed 985be6ce6a39f4816a9a5c1fe48557c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.764589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104017/publication.txt
observed 71775f0a8848586cd4b00133af01a188...
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.