OpenTechnical

OT-2026-000103493

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, pulsed blow-off after set-down

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-2026-000103493) never changes.

Identity and time

Publication numberOT-2026-000103493 · never reused
Internal UUID01a0aea4-e461-788b-a92f-a66f6bfb596c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103493
StatusPUBLIC

Content hashes

Canonical textbe1165517fe6dc39c4e71633e0857f9a2858de5a6bc1069fa8ee3eb1ecd51fad
Markdown55d11f4109d64dfffef5684e0c88492259f769750cb79bb792366ac2e8248001
PDF
Publication page3588b860ccfb34b1e42093aae82234c4ac57c88f922f03a8ffe6f6c91672ecbc
Manifest19f5a29d070fb2b5717760e791d667bb6661827439463c76482b44a3a9220c96

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
SignatureGNarD/kOq7kZaXWZPCciBOU3BMsdQghktPI9GVb09unSrzyvDvbRPOqPZ0Uwwc+u906F67uXxMMF096gDtNFAw==
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

2026-09-17T09:22:15.452861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103493
observed 3588b860ccfb34b1e42093aae82234c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.435491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103493/manifest.json
observed 19f5a29d070fb2b5717760e791d667bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.416352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103493/publication.md
observed 55d11f4109d64dfffef5684e0c884922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.397786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103493/publication.txt
observed be1165517fe6dc39c4e71633e0857f9a...
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.