OpenTechnical

OT-2026-000011673

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, 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-2026-000011673) never changes.

Identity and time

Publication numberOT-2026-000011673 · never reused
Internal UUID01a0ae6d-1940-72a2-be65-7a25ad480bda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011673
StatusPUBLIC

Content hashes

Canonical text446dc0d75049b24faa2475c33122b768f1aa52da1ad67ae5edc52a0d732f62c7
Markdown2b9f55d4d82542c2cc53c75449a04c9e491f33237ba04b7e56249e0e009c40cb
PDF
Publication pageb19c975a463b564233641230daf6c6a2bc0e44f587aaa47f9a3520541d233052
Manifest753abee48f31a9fe3a27d9ffe97b76b8775ab5d459271a4c75279afe2fbac5f5

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
SignatureZvC/wzklXs6u//eI3NHiVXnHtaedwe+PTYJ6KD+sFi5ZbhPhBrdzf0AaqN1jlnVfyUR+5u97TgkhZUbbU3/ZAA==
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

2026-09-17T12:12:16.047772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011673
observed b19c975a463b564233641230daf6c6a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:16.029684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011673/manifest.json
observed 753abee48f31a9fe3a27d9ffe97b76b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:16.011673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011673/publication.md
observed 2b9f55d4d82542c2cc53c75449a04c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:15.994409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011673/publication.txt
observed 446dc0d75049b24faa2475c33122b768...
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.