OpenTechnical

OT-2026-000080127

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000080127) never changes.

Identity and time

Publication numberOT-2026-000080127 · never reused
Internal UUID01a0ae96-4378-755f-bdba-11db9c88e8b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080127
StatusPUBLIC

Content hashes

Canonical textf6398f73601056d05506f4b276cd59e4e327e012870404e15c08516d34691093
Markdown6f3996838c9d02eb616add52dbed9bcf43a3fda7c1d94a528b0e2f027e8b308f
PDF
Publication page43a0e331952caa61971a2ec7a8aa27b0f429e9da225d1a81efc2952e84dbd011
Manifest3aab880bb6c2d708a0d85f82634ee9ad4b4ebaf2dbfd286ac64c96463764d255

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
Signature0lu5po2j1+guvN7bWgScgnbqE8dKs5LEW4JB8yFus+v5L3vkQog6l1pPS1DkkindYFmGOPkj8I4Ml68oO4sDAA==
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

2026-09-17T10:04:04.476773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080127
observed 43a0e331952caa61971a2ec7a8aa27b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.458825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080127/manifest.json
observed 3aab880bb6c2d708a0d85f82634ee9ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.440639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080127/publication.md
observed 6f3996838c9d02eb616add52dbed9bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.421579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080127/publication.txt
observed f6398f73601056d05506f4b276cd59e4...
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.