OpenTechnical

OT-2026-000059304

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, 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-2026-000059304) never changes.

Identity and time

Publication numberOT-2026-000059304 · never reused
Internal UUID01a0ae89-8614-7118-ab03-63b223ed19b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059304
StatusPUBLIC

Content hashes

Canonical text6c2d3d6c8326e06e2a028b9366c5ebb9b8f47ac1ed652096613e13a2fbe86eec
Markdown6e99e4e91379de82fbf7877a6401afff2b0efa03a92ba91cf58c5bdf6a6152c5
PDF
Publication page5d9e30491f173572745fd8d508079721c001da03d3fb1f402a81ed9be58b1312
Manifest7fc97d9208847da999df25373ae932282f2593d3a1b87f2a3b8b3cc13d0f7208

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
SignaturelMhFZppODOUzZWUDDo02N7oz76Q8xZEOJkMKwaK+jR8yht5+nwxIYj+Lbs5JPTzof/bSN/u+1CWgJdcfHtglAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:57.400484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059304
observed 5d9e30491f173572745fd8d508079721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:57.376397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059304/manifest.json
observed 7fc97d9208847da999df25373ae93228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:57.350388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059304/publication.md
observed 6e99e4e91379de82fbf7877a6401afff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:57.255024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059304/publication.txt
observed 6c2d3d6c8326e06e2a028b9366c5ebb9...
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.