OpenTechnical

OT-2026-000032053

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000032053) never changes.

Identity and time

Publication numberOT-2026-000032053 · never reused
Internal UUID01a0ae74-bad3-7af4-8602-24756652ab35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032053
StatusPUBLIC

Content hashes

Canonical text5411b6d4e5dec1bfa9a33b670530c80a6e026c771d721cbe7aeadad2fcb5e7d4
Markdown1ffed43186b2411403c6a09195781dbc25d1b3ab976ad2bbc34c783d57774697
PDF
Publication pagedf97b53bee6f729140d310f57411ef855e9789c47740d3cdd9637467fc71974a
Manifestac43700f8e48645bd41d83a7227458c663733e802ce9a4ac2e6bd8ee3e6fba35

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
SignatureU9+wEwxsLc37ysGHixwmQHIYcrszwe4WQx9vGui0LZIGr3so9T2mJbNp9xI1g5Zc+C8foW0Fut75Xax0tV2nCw==
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

2026-09-17T11:35:28.154129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032053
observed df97b53bee6f729140d310f57411ef85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.134055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032053/manifest.json
observed ac43700f8e48645bd41d83a7227458c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.115157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032053/publication.md
observed 1ffed43186b2411403c6a09195781dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.096178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032053/publication.txt
observed 5411b6d4e5dec1bfa9a33b670530c80a...
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.