OpenTechnical

OT-2026-000049870

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000049870) never changes.

Identity and time

Publication numberOT-2026-000049870 · never reused
Internal UUID01a0ae81-fd75-72d4-8593-00c56c116f8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049870
StatusPUBLIC

Content hashes

Canonical text5a511a6cecc19485de3600e262aa10dfd69f030c09cfb2d6861a593e0ecc40ec
Markdown2c9d41390e9164a4229b33e5b43517c6d7d59e25610d70757022016fed1fb4b3
PDF
Publication page27326c16035f7b68bd2c23978174a197ba8a0500bf854467d3c955e84f0eb476
Manifestc7dfae8e8baf24190bb23f84cb96cfa54c73150f8abf13122e9a5f8c0adb9ccc

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
SignaturetszUde2ldeXXf9SzxWNBWxga1KfmfmRqurNWIPYgW6x16POKDf24Y7L4QZ3zLVlxY5bTf9YJtsvsvoO+0bzoDQ==
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

2026-09-17T11:01:46.745187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049870
observed 27326c16035f7b68bd2c23978174a197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:46.725258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049870/manifest.json
observed c7dfae8e8baf24190bb23f84cb96cfa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:46.703388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049870/publication.md
observed 2c9d41390e9164a4229b33e5b43517c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:46.683038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049870/publication.txt
observed 5a511a6cecc19485de3600e262aa10df...
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.