OpenTechnical

OT-2026-000102955

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000102955) never changes.

Identity and time

Publication numberOT-2026-000102955 · never reused
Internal UUID01a0aea4-be3c-7ede-bfdb-4cde9e678520 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102955
StatusPUBLIC

Content hashes

Canonical text7c3412d01aedd4c99dde6f9d83208eeb9e1b33280cc05d22a09088f3cf92a1ed
Markdownfdb79f21b90fb458529fd890a32b665750e5cfe63c61addc9ce5712fd982b8d5
PDF
Publication pagecb67a057f1f54d155ddfd984debfe822fe3087373f5b08f12ab0562ff4990290
Manifestadf75e43082c921f6ff634f97abbbebf4688e882a4e514e2a0770f425868593d

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
Signature7WfBCdIDaasC7elM+Rz0seLBuoOGcicXWXMAiZubj635sPki1GsbA6dvJAvsmoE68hb5QZs7djM2kyD73IJzCg==
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

2026-09-17T09:23:03.748141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102955
observed cb67a057f1f54d155ddfd984debfe822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.731150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102955/manifest.json
observed adf75e43082c921f6ff634f97abbbebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.713140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102955/publication.md
observed fdb79f21b90fb458529fd890a32b6657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.696177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102955/publication.txt
observed 7c3412d01aedd4c99dde6f9d83208eeb...
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.