OpenTechnical

OT-2026-000104176

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000104176) never changes.

Identity and time

Publication numberOT-2026-000104176 · never reused
Internal UUID01a0aea5-341f-7003-aaf1-3605aa6a1abc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104176
StatusPUBLIC

Content hashes

Canonical textbdf5ab7744b208db3b4429352ecccdfa4964c340daad266cf6be14ecc38af6ba
Markdown54477412bce22fb10e35e4d046f037ed1e98b96ca19240d4960bc016cba83b10
PDF
Publication pagee0957aadaca3709a0b7afb708f6e614d3e3caa141dd28eed74d5e18a687f5ad0
Manifest74078ca3717522e929aa2a260d23191ed67c633e26c5267cafc645fbd72055b4

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
SignatureRTBTKkSDFMLC56bpytWakkOJsBQX+rojkUSdG1IQvMw71UpPb+wZdTV3qEOb/rM0nqf5exxsjyw55z+LlL7XDw==
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

2026-09-17T09:20:16.178841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104176
observed e0957aadaca3709a0b7afb708f6e614d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.161384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104176/manifest.json
observed 74078ca3717522e929aa2a260d23191e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.142895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104176/publication.md
observed 54477412bce22fb10e35e4d046f037ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.121262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104176/publication.txt
observed bdf5ab7744b208db3b4429352ecccdfa...
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.