OpenTechnical

OT-2026-000044838

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044838) never changes.

Identity and time

Publication numberOT-2026-000044838 · never reused
Internal UUID01a0ae7c-911b-79ee-a2e8-8474eacebe90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044838
StatusPUBLIC

Content hashes

Canonical texta9e249e49aea2b1421a94642af34a8e22b7338b3ef28523be4d5975e84275e12
Markdown8c0a75675f5eebcf2f84508208f09b448d0a517ebd6720291d5c83b7a5ba870b
PDF
Publication page36e1f300864a278bec356444e3f22ff378c642a108c89e683c430efd2925c361
Manifest3a5329aa85e50dc8058dddf0677663087038a0e3012cf2ad83b822f9facfedd5

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
SignatureZxo5Z5zeb0lkoj0lyEfLmZc/aNqVQPrLaj4kNPe46yxjpMxS2HmMYwZDLSLqa6WT5KpnIq2DFbfvmvxRVw6+Dg==
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

2026-09-17T11:11:28.761860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044838
observed 36e1f300864a278bec356444e3f22ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.742365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044838/manifest.json
observed 3a5329aa85e50dc8058dddf067766308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.722247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044838/publication.md
observed 8c0a75675f5eebcf2f84508208f09b44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.702371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044838/publication.txt
observed a9e249e49aea2b1421a94642af34a8e2...
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.