OpenTechnical

OT-2026-000023628

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000023628) never changes.

Identity and time

Publication numberOT-2026-000023628 · never reused
Internal UUID01a0ae70-aed3-7d74-9b54-06c1d7e0cf66 · 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-2026-000023628
StatusPUBLIC

Content hashes

Canonical textcb44a3aaaffb40f5eba9ed313004b13908a37525ae800fcb35552ac3ea8658d2
Markdowna3a7c066ab8228136d5ed293ad1b484c30ae15714e7f4a6b8945da1d7311f9ec
PDF
Publication page1ae30118491871ff751d82a94a62df828575edc1cfd299394fb019dd73e13430
Manifest66285e1675363ae6f2f5f708a0d87d5cbf39a3e2f1d497e2518f938bb457a1f5

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
SignatureQYz18V2hvvLAOSsCj9bWjimjQvO8KeoioLFUEODULXiDpL4CoLif2Hk76SqDgM5CxhcZuchV2VP6X+LjXL8rCw==
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

2026-09-17T11:49:50.100955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023628
observed 1ae30118491871ff751d82a94a62df82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.082908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023628/manifest.json
observed 66285e1675363ae6f2f5f708a0d87d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.067240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023628/publication.md
observed a3a7c066ab8228136d5ed293ad1b484c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.050966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023628/publication.txt
observed cb44a3aaaffb40f5eba9ed313004b139...
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.