OpenTechnical

OT-2026-000022236

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000022236) never changes.

Identity and time

Publication numberOT-2026-000022236 · never reused
Internal UUID01a0ae6f-f4fc-7e69-9d80-1d31ab768750 · 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-2026-000022236
StatusPUBLIC

Content hashes

Canonical text8216fe0c1fb2163041ad4678454f2b372614c764695bc434c7c8ac6964b9b8c5
Markdown9813793a11f1e6b92aef34222f0d46a94b8d4c79d44aeeec6aadfddb74efe1d4
PDF
Publication pagecf404a4f4d18d1a285c55c6b42ab1f3d159c4bb42c3663dc0be5cb1da9aedabe
Manifest0736357e9eda29432f43272d53c3ae4fa5a0a454bfcb2a68962b689c708f8f92

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
SignaturetkyunPtt/NvQc+7z3VqGDd+/jAUPN7RsRaw7JJz0Kxa7p11YN8rrBscsZBGufYuR102/byd7yeXbZaZIQFbJBw==
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

2026-09-17T11:52:55.761039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022236
observed cf404a4f4d18d1a285c55c6b42ab1f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.743842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022236/manifest.json
observed 0736357e9eda29432f43272d53c3ae4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.727616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022236/publication.md
observed 9813793a11f1e6b92aef34222f0d46a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.710934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022236/publication.txt
observed 8216fe0c1fb2163041ad4678454f2b37...
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.