OpenTechnical

OT-2026-000050635

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000050635) never changes.

Identity and time

Publication numberOT-2026-000050635 · never reused
Internal UUID01a0ae82-c7b0-7d14-8071-ebdc167b6d7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050635
StatusPUBLIC

Content hashes

Canonical text9dab875741838088aa7bc2b8b0553189a6da4220fe6cb278f61339ceda5e4425
Markdownf26b7dd529c491a83133a8c9032eea4934d6e1125ead6d3a9ebde73430c83ba5
PDF
Publication page29fc5fb099a97fd75da384a83098a9fba31732c72b6493f1446c2d8f8792e30b
Manifestb66f6c435459a3a52c9d8946f1195fba50c9958b9363ce1aabec6d8887df7245

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
SignaturebTcx4ohaRG1hIWIi+XUII6iDmyVLNxGowkTOOIW0giOxg6JZ5jO5usbY6I3eY1+WlO280BmrpjRWLoTB7OyeAw==
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

2026-09-17T10:59:19.607672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050635
observed 29fc5fb099a97fd75da384a83098a9fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:19.588763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050635/manifest.json
observed b66f6c435459a3a52c9d8946f1195fba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:19.570907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050635/publication.md
observed f26b7dd529c491a83133a8c9032eea49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:19.552582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050635/publication.txt
observed 9dab875741838088aa7bc2b8b0553189...
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.