OpenTechnical

OT-2026-000067838

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000067838) never changes.

Identity and time

Publication numberOT-2026-000067838 · never reused
Internal UUID01a0ae8f-c4fb-766c-ad79-64f7298a8eb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067838
StatusPUBLIC

Content hashes

Canonical textdea9fad03776bf310971f4f294fd08121a07d005d41b9fc8673c2aaab8deae7c
Markdown744c0c9faf03516a7ea21c67f79946365e6654fcd04a5c353fd912adbf8ada20
PDF
Publication page9d24bdee308428ab31bcdf318095f17acd765b37b7a462b14dd799d27d795921
Manifest80a999c8d02b4f8bd1ce2d14a7d9903756af0b2e39a9d40de2f02b0ac6382a33

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
Signature6J4UD04+fLTRxjcHdYXb/TjerjgQIneojEYuF17XP97pFtD87P8tAuwIEK0ZZNWv6uChhEZ0721rXrw9/6QgAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:05.596434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067838
observed 9d24bdee308428ab31bcdf318095f17a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.577007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067838/manifest.json
observed 80a999c8d02b4f8bd1ce2d14a7d99037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.557753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067838/publication.md
observed 744c0c9faf03516a7ea21c67f7994636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.538736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067838/publication.txt
observed dea9fad03776bf310971f4f294fd0812...
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.