OpenTechnical

OT-2026-000087027

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000087027) never changes.

Identity and time

Publication numberOT-2026-000087027 · never reused
Internal UUID01a0ae9a-9f2d-7995-9961-8d3f26bba2c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087027
StatusPUBLIC

Content hashes

Canonical text098a67768a182f60cf87f5bea6152113440de15fe584347237af21c8ad96f362
Markdownff45cc75a6347fffa12c37afe870e3763a9d4257817e74b000c444446fabf6f5
PDF
Publication page0bbc1d86bdf92f26964e5f775109a9f56984c8de4d7f85bb2d1f83ac840410fa
Manifestc8d85797244c8ac1b7cb931a19362d551d8c88d2b6bfdcc544ca875a53166b84

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
SignatureRxNc54rHuOfvHBW/3N0fRMcIkVGeP1DujCll+MdWdf/t2LnAY+DjNxaOp0/i1JkiaYGv2lGBcoQTyzHWYco/Cw==
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

2026-09-17T09:51:16.205765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087027
observed 0bbc1d86bdf92f26964e5f775109a9f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.190145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087027/manifest.json
observed c8d85797244c8ac1b7cb931a19362d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.173630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087027/publication.md
observed ff45cc75a6347fffa12c37afe870e376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.158109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087027/publication.txt
observed 098a67768a182f60cf87f5bea6152113...
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.