OpenTechnical

OT-2026-000022174

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000022174) never changes.

Identity and time

Publication numberOT-2026-000022174 · never reused
Internal UUID01a0ae6f-f4fc-7868-803c-e4d2879c5615 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022174
StatusPUBLIC

Content hashes

Canonical text0d4d620309961a768f8b7d00089bbe80a6918d1e41fb4a2c21b65d257b8b50e7
Markdown3769a6442fbe29d46e0002b44fba9d3a2883a39270b9147ea72d1d835566e4bd
PDF
Publication paged9f3ab526242519e8368fe06eba0f408f151b0bee95f22625b61bb3c865c0284
Manifest619cd0dd0d4e9890a2affed7a3aebe1ec6a311639ffaf4ee10552e866a6b9da1

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
Signature7/uC/QHFOgKQjtYEL86uwJFeVgwAclP/oVKsxOvmmkkKs8QxtDSKi0Q7A4300kR3lUd0WQeHrbXvcV6FTuMsDg==
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

2026-09-17T11:52:44.970842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022174
observed d9f3ab526242519e8368fe06eba0f408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:44.953375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022174/manifest.json
observed 619cd0dd0d4e9890a2affed7a3aebe1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:44.934769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022174/publication.md
observed 3769a6442fbe29d46e0002b44fba9d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:44.919477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022174/publication.txt
observed 0d4d620309961a768f8b7d00089bbe80...
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.