OpenTechnical

OT-2026-000026676

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000026676) never changes.

Identity and time

Publication numberOT-2026-000026676 · never reused
Internal UUID01a0ae71-f4aa-70d4-8985-1aa2d05aafd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026676
StatusPUBLIC

Content hashes

Canonical text34132743707546da7e56eac78126328443149334bef649035ed42c6790efa62a
Markdown274987a210b6cb962bbe576856ff09312d86884dc2f32356b7f5d197be445214
PDF
Publication page1c77bf42d5e60cf2acb4c7477e6815d9fdab42b2667d9097cc9304126a8ea8c9
Manifest85e5c467349cbeac7e381a35e8917006e734723ffbf1617b344fe497cd5a48d2

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
SignatureZ31ss5tqfPs/zJ3SATk3EywVW9HSblXakLP9pyZnyGKMc9+l9DOZwSs6PkdUQaLDntuR0NilXJtpufxFs7F/BA==
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

2026-09-17T11:45:45.688412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026676
observed 1c77bf42d5e60cf2acb4c7477e6815d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.670009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026676/manifest.json
observed 85e5c467349cbeac7e381a35e8917006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.651174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026676/publication.md
observed 274987a210b6cb962bbe576856ff0931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.632814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026676/publication.txt
observed 34132743707546da7e56eac781263284...
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.