OpenTechnical

OT-2026-000100167

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained 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-2026-000100167) never changes.

Identity and time

Publication numberOT-2026-000100167 · never reused
Internal UUID01a0aea3-3052-7adb-a6d7-ffb0f21e2b50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100167
StatusPUBLIC

Content hashes

Canonical text56b86ee5aa5d776e737d24738ef8161850faebfc77745a01f68b7f6f24e2165b
Markdown43e9474b7f46ce7a52fa275fdcf0fc8285b4d1fcc400993782582821c54d9455
PDF
Publication page76a3fd90f4a3f44ac175327b07d668b42a91fad0ac47cf59900813c0777dd3c8
Manifest6339b138c18b9c8b6b90eafeb596b4e2382674b31f2098dfe71053065b30a25a

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
SignatureIvyKlfQW1+wautiaEQj0WGZHQLVelALqkfIJ9RPj0/nKemwfEvp9z2QrP+7muuAGjxJFvQiTmukO3IzZszl/Bw==
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

2026-09-17T09:27:52.639466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100167
observed 76a3fd90f4a3f44ac175327b07d668b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.621498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100167/manifest.json
observed 6339b138c18b9c8b6b90eafeb596b4e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.603196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100167/publication.md
observed 43e9474b7f46ce7a52fa275fdcf0fc82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.585763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100167/publication.txt
observed 56b86ee5aa5d776e737d24738ef81618...
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.