OpenTechnical

OT-2026-000092019

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000092019) never changes.

Identity and time

Publication numberOT-2026-000092019 · never reused
Internal UUID01a0ae9d-43bc-776b-a1f5-772d477ae577 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092019
StatusPUBLIC

Content hashes

Canonical text1d3dd9f080ddd87aebb0a1c1942c701ea3667dcf8478d83e0fac220b7d61444b
Markdown6e47b76235109875fbf1b60879472cb128c82a2fc965ebd77190343b42d48981
PDF
Publication pageaba8d2ed03567b88a97fc2fa9a6b6c373b8589936ffb1ea6e612df1285c61c01
Manifest12fac5e77bb2fc839bde1163397c0404fa518b8b055753a9f9a0acfa701059ed

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
SignatureKsrjOvgi+ahtNg//KVAoQDLI0isL+DgBxKUenNNPNtPwC9wYZHxIlp3NY4cipa2QTB8hHWXtyzpFFKOrz5WOCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:06.134704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092019
observed aba8d2ed03567b88a97fc2fa9a6b6c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.114688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092019/manifest.json
observed 12fac5e77bb2fc839bde1163397c0404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.096091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092019/publication.md
observed 6e47b76235109875fbf1b60879472cb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.059726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092019/publication.txt
observed 1d3dd9f080ddd87aebb0a1c1942c701e...
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.