OpenTechnical

OT-2026-000018187

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed 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-2026-000018187) never changes.

Identity and time

Publication numberOT-2026-000018187 · never reused
Internal UUID01a0ae6e-b488-7630-a5fc-f221e394a79c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018187
StatusPUBLIC

Content hashes

Canonical text3a5ec4ba3791b16657a50379ca7e5e1131776ae0f45845f97109bef6c268f064
Markdown02be97efb639d1bc393dea6aa6763eb87f348794e3f61462b6b44fcd8f36c2f4
PDF
Publication page59a51d32a17849575c92d4a07e532f1f3968c07447f5c0d34167e5ad490bb91f
Manifestbedf1a6e5a88864e7910c87ddd6f947e492507b9ad700228a3159c1d8c997c46

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
SignatureE4I0HDOcrL483CQQy9zbBsAyi9kFh2C1GG4GL0q/Wz0RoT8CpH6nceTQZjBO1KH3yVcqo8SGzQw1HD5rgeuOCw==
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

2026-09-17T11:59:58.000692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018187
observed 59a51d32a17849575c92d4a07e532f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.982301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018187/manifest.json
observed bedf1a6e5a88864e7910c87ddd6f947e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.963649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018187/publication.md
observed 02be97efb639d1bc393dea6aa6763eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.944469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018187/publication.txt
observed 3a5ec4ba3791b16657a50379ca7e5e11...
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.