OpenTechnical

OT-2026-000103186

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000103186) never changes.

Identity and time

Publication numberOT-2026-000103186 · never reused
Internal UUID01a0aea4-be3e-7f2b-a535-8601cef3246e · 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-2026-000103186
StatusPUBLIC

Content hashes

Canonical text777ccecf08998473ff9f8ca5b002843b480e75ffb2484b375af39251de969d91
Markdown62fa1038efb57d1115895373c3a483d676e816bba3109df9313869a1593311da
PDF
Publication page4edfffdf58e2e16a8e2f5ac6c8a4e3f885d4f6bf850bf0b7204bedd3a2458d72
Manifestbdd2b98fb232b749b66226a2cbb60f8ac1c1605761f1f9b0ac3ef15cb0ba71bf

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
SignaturednNMnkDBMG5jhzSkgbzNG/4lkQ9GY9Hymu+a2h0BiSlesMgwnpcB7vUQZ0bsdkc/SeAaexs39+VTSY6U/QhFCA==
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

2026-09-17T09:23:24.468595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103186
observed 4edfffdf58e2e16a8e2f5ac6c8a4e3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:24.452043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103186/manifest.json
observed bdd2b98fb232b749b66226a2cbb60f8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:24.436292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103186/publication.md
observed 62fa1038efb57d1115895373c3a483d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:24.417854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103186/publication.txt
observed 777ccecf08998473ff9f8ca5b002843b...
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.