OpenTechnical

OT-2026-000049167

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000049167) never changes.

Identity and time

Publication numberOT-2026-000049167 · never reused
Internal UUID01a0ae81-134e-7073-96fd-3445162ac3ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049167
StatusPUBLIC

Content hashes

Canonical text8e9fe217bb182741b47ef4245ba3833880442c4db432e1161d427a532e0efbfd
Markdown9ad874f47f6b8485e29b4bc3bb430b469bb900f455d26a17d30b1c4f6e8cee49
PDF
Publication pageb43d06f0133cc7c626ec4c1eda54468684edaa0ddb9ec8e5b6baa3896ea88ae3
Manifest678aae9d671c37e5bd3d75e7c585c3d10c54cc89623668723b30ec28f304ac80

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
Signaturej/04dQLGNDA3/cT8fpE4lxuwt49sQPwtVTuvYeOocYfp0pCCAWaYWaWmdrxqh3Vz7XDzI93yc+Od/wetLs7dBQ==
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

2026-09-17T11:03:57.982507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049167
observed b43d06f0133cc7c626ec4c1eda544686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.963615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049167/manifest.json
observed 678aae9d671c37e5bd3d75e7c585c3d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.944141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049167/publication.md
observed 9ad874f47f6b8485e29b4bc3bb430b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.925427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049167/publication.txt
observed 8e9fe217bb182741b47ef4245ba38338...
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.