OpenTechnical

OT-2026-000038275

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000038275) never changes.

Identity and time

Publication numberOT-2026-000038275 · never reused
Internal UUID01a0ae78-2d51-7a51-9140-fd7fbfc8f910 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038275
StatusPUBLIC

Content hashes

Canonical text6047de9e61162bb040c40629ae424313047b321b8fed091c414318f920d1441b
Markdown5219fb2976df3f2b12ee261e11a36e6432e3a72dbc21735d0c14acde031c78f9
PDF
Publication pageda158a7a1e74e456815559a8c74111bd88ec0957e5666ec1e9a40c3332a29c39
Manifest1d54d2e374f7c16be5a19ce9b6579e5031254a724f6af63e7ae9c4a370c06e9e

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
SignaturemAhKJIkrKtdxLePLM9xQQsZrDX/gKts9aQ5JEVjQwGMiUEvWE0c63uXtLC6sWaXpH4yM6YLH6Grg/MryBOiCDg==
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

2026-09-17T11:22:26.253902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038275
observed da158a7a1e74e456815559a8c74111bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:26.237276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038275/manifest.json
observed 1d54d2e374f7c16be5a19ce9b6579e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:26.219127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038275/publication.md
observed 5219fb2976df3f2b12ee261e11a36e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:26.201127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038275/publication.txt
observed 6047de9e61162bb040c40629ae424313...
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.