OpenTechnical

OT-2026-000033727

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000033727) never changes.

Identity and time

Publication numberOT-2026-000033727 · never reused
Internal UUID01a0ae75-a390-720d-860d-759166df135f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033727
StatusPUBLIC

Content hashes

Canonical text6560854307b361fff1b458b9fa6c4c0ad68aa4f9c5806586d979d0a489fdd277
Markdown94ae9590cb73c3029da284952383aeeaa7a2e8a5fc863a1fcf8596f7640d4dcd
PDF
Publication pageee4cb95eda6c985c45fcceb21c18e71c3b27ba9022377649e395e527e23508e3
Manifestdeb75ba73d7d20dc5e079db9bc5ff48a638038e23f78696eb077490c54609712

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
Signaturey71ldMIHRU00D6ZDfRvSQzwDjrKye0sgB4UM9KzQW18jPCfAoAzc2z8BbdnHlXnuARhy1mFygOeMBMLnQ3YhDg==
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

2026-09-17T11:31:43.887084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033727
observed ee4cb95eda6c985c45fcceb21c18e71c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.869326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033727/manifest.json
observed deb75ba73d7d20dc5e079db9bc5ff48a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.851155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033727/publication.md
observed 94ae9590cb73c3029da284952383aeea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.834050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033727/publication.txt
observed 6560854307b361fff1b458b9fa6c4c0a...
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.