OpenTechnical

OT-2026-000050419

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000050419) never changes.

Identity and time

Publication numberOT-2026-000050419 · never reused
Internal UUID01a0ae82-5c48-7577-99f5-7c650ceae804 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050419
StatusPUBLIC

Content hashes

Canonical text1f18e4e774e3d9feeafe55eebfc1ad014d890e67cf86bc3c06f373513ce64b91
Markdown67a2f74a85e5529565f1d2b3af71b3b72354eba4002f93c1cc3518f98cb25b5f
PDF
Publication page46b09938dae21758535977ae0ac274e73eeeb7b8683a2916a5e1f8f5ddf12c3e
Manifest670367fa62d9e3eb37b4e47772cbe72e37f6b92ea592de6cd759cdc739d5f7af

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
Signatureu3TcC69B5yvB6HB7yPQ0LE+LSM/yXP/j9Bkxyr7WeinpjnQt4cit6oGYDY+Vd8HKl+tiokPOYrwfIxd1qwVUBw==
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

2026-09-17T11:01:27.869256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050419
observed 46b09938dae21758535977ae0ac274e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.853316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050419/manifest.json
observed 670367fa62d9e3eb37b4e47772cbe72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.837669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050419/publication.md
observed 67a2f74a85e5529565f1d2b3af71b3b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.818370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050419/publication.txt
observed 1f18e4e774e3d9feeafe55eebfc1ad01...
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.