OpenTechnical

OT-2026-000027481

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000027481) never changes.

Identity and time

Publication numberOT-2026-000027481 · never reused
Internal UUID01a0ae72-6998-7c37-83b1-5c999d0228a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027481
StatusPUBLIC

Content hashes

Canonical textc35fb39b60454748669203b67226a077f62ccddd434b78ecf276ab098a18461b
Markdownc28127d8156f05cd7a958ad47a1792bc4d6023b6b2a02b87ffc6dd7d86d9bee7
PDF
Publication page9726b77166b46fec41874dbcf10d00a685765c29deb60e26035867ce7465d58e
Manifest68db50b2dc8d5d0f20fa8938417f2f065157bd8015aa6d518523e21ace0d30b4

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
Signature8TlnkUz3rKIL7gnfxaG1DHfyQWf+8810c7NuzEQHxhqliqXCxnI6JkBRbNmkehTbZpBksGUN6ExwHDflabJCAw==
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

2026-09-17T11:42:56.697989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027481
observed 9726b77166b46fec41874dbcf10d00a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:56.680829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027481/manifest.json
observed 68db50b2dc8d5d0f20fa8938417f2f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:56.662945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027481/publication.md
observed c28127d8156f05cd7a958ad47a1792bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:56.645852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027481/publication.txt
observed c35fb39b60454748669203b67226a077...
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.