OpenTechnical

OT-2026-000023898

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000023898) never changes.

Identity and time

Publication numberOT-2026-000023898 · never reused
Internal UUID01a0ae70-aed6-7487-ad47-0a2cfb15b49f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023898
StatusPUBLIC

Content hashes

Canonical text151041125e1a7f9e3af515b9b1d0d96723fc8ee0badcab240ab7629f222a11e0
Markdown6a158f5c6c19b1d32e72eeca1d388e3f7dabfb0cf67f4cc6f7efe9bf6500f295
PDF
Publication page60c278eee9a3d7652bf6b4fb70fa2eef7d6c3c4a1efa8aa4b0797396f6784dcb
Manifest089c8371cfb624bccd74d1b9c291a45384265ffc0c1158ab132007e88686d53c

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
SignaturePOpvQn9BSiMy5f6uNiEVElaoBYaie5gMEf6p9rxsLVkovJt2fpcLyE7FRJcK7FSNrrfQgixIL65U3zuWqkpLAA==
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

2026-09-17T11:50:30.796737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023898
observed 60c278eee9a3d7652bf6b4fb70fa2eef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:30.776831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023898/manifest.json
observed 089c8371cfb624bccd74d1b9c291a453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:30.758863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023898/publication.md
observed 6a158f5c6c19b1d32e72eeca1d388e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:30.736544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023898/publication.txt
observed 151041125e1a7f9e3af515b9b1d0d967...
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.