OpenTechnical

OT-2026-000067879

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-2026-000067879) never changes.

Identity and time

Publication numberOT-2026-000067879 · never reused
Internal UUID01a0ae8f-c4fc-740c-827b-14df5df46e86 · 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-2026-000067879
StatusPUBLIC

Content hashes

Canonical text7a123244f433bbfde21df7dd68d10ccc4a3ee914d53275d115e51ce472e63300
Markdownc69131f21691721f73a0a04cd2912204b5b8006297a671762d94e1fe37168c54
PDF
Publication page19f4903386d708a2561217308f988bbc643d5681fe71a4dc31becce446209cfa
Manifest42614a60d5e6b69625e69beb925d1ab1d122b8228e0248ef574255184c73176d

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
Signaturelvt6c5b5RCqGN2CkrBiXuutE9AA5RR0Ho/SgEAzmlWtXFzs4RGh6fIeZRNYLg2jAZkq3mHBp+dpIQkI9WZpkBQ==
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

2026-09-17T10:30:16.166693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067879
observed 19f4903386d708a2561217308f988bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.148771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067879/manifest.json
observed 42614a60d5e6b69625e69beb925d1ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.123444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067879/publication.md
observed c69131f21691721f73a0a04cd2912204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.100808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067879/publication.txt
observed 7a123244f433bbfde21df7dd68d10ccc...
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.