OpenTechnical

OT-2026-000059581

Publication integrity record

Single cup vacuum gripper, single stage ejector, vented 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-2026-000059581) never changes.

Identity and time

Publication numberOT-2026-000059581 · never reused
Internal UUID01a0ae89-ec23-790f-a7d0-c30cd90a527f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059581
StatusPUBLIC

Content hashes

Canonical text4e52875477e7c0a7aa7438e3de526b1cfa80072dab343019bb8f9827c9ac419c
Markdown30c03029e42097d98ef71e252d6333c1f9d3b9f37a6633b8523b7c65a873fa51
PDF
Publication pagefdd7b7e91bb96f8dca39691f5f5add55205e3b31b796ac70eefc0a4a1b76224c
Manifestc6165c13d63d514e92ebb955328876efccb4cb4c8afea60d65bf5c50977c2fa2

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
Signature6XEDFCyLNkHnGdHPL6AZ2E8P5KFduDd/YpQ5ZAVI/1Z/TZeaqu0nCr8+se5+PTDYSpGA1noOU3pvHujka4O7Dg==
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

2026-09-17T10:44:13.837390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059581
observed fdd7b7e91bb96f8dca39691f5f5add55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.818995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059581/manifest.json
observed c6165c13d63d514e92ebb955328876ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.800442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059581/publication.md
observed 30c03029e42097d98ef71e252d6333c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.783212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059581/publication.txt
observed 4e52875477e7c0a7aa7438e3de526b1c...
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.