OpenTechnical

OT-2026-000103161

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed 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-2026-000103161) never changes.

Identity and time

Publication numberOT-2026-000103161 · never reused
Internal UUID01a0aea4-be3e-7210-be62-dee00b73f747 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103161
StatusPUBLIC

Content hashes

Canonical textfbf75e468ab6620311410acd2176b0d79b3132238975abaa56e3401f47b59a35
Markdown576a1a5edb2bfc158a5e1252f909fdc9af01daeb019b9db9e2b4015c1e7793d3
PDF
Publication page94103c5a2f9bf815357744a55576483a7d2559326ceb700a0782fb5c36602983
Manifestfd826d05c4b5f86285f6fd36031da400d333591d58201a3860120551d22a59d0

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
SignaturerimILm1a492dHSpRHPhSgF4S975Y9nxpgrVf9l1bAKD1pusTfsuBFOPxF2Ip8kHHn/3AoGkw5WD/WikygCkKCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:22.557044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103161
observed 94103c5a2f9bf815357744a55576483a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.538614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103161/manifest.json
observed fd826d05c4b5f86285f6fd36031da400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.520249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103161/publication.md
observed 576a1a5edb2bfc158a5e1252f909fdc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.501967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103161/publication.txt
observed fbf75e468ab6620311410acd2176b0d7...
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.