OpenTechnical

OT-2026-000090171

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000090171) never changes.

Identity and time

Publication numberOT-2026-000090171 · never reused
Internal UUID01a0ae9c-428f-7c5d-8d57-ee4771068d78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090171
StatusPUBLIC

Content hashes

Canonical text0dd34332c7c10a52e285a13e199971c5da40b949445e8a7ba1379b34a8b5fe98
Markdown2abef49c6504f0a4c322896fc7e708ecfe5276df786d8484f191dc8e62a1ae0e
PDF
Publication pagece846a5be3903529fbea3fb40c92d2f714194c41ee62576c09d871835e051ecb
Manifest76b9a9041d2fc50afc8cdcaa442680b639e733dd9a8b8e33790184de1f9c912a

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
SignatureyBue0aQOIWfUM+nFvszArJU0jwbk8c75zjVXSzGCb43mSsnpemvKysUHVn0rEdIpScC2lpbrSg4VhN2on0TiAQ==
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

2026-09-17T09:46:13.953727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090171
observed ce846a5be3903529fbea3fb40c92d2f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:13.933896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090171/manifest.json
observed 76b9a9041d2fc50afc8cdcaa442680b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:13.914151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090171/publication.md
observed 2abef49c6504f0a4c322896fc7e708ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:13.896698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090171/publication.txt
observed 0dd34332c7c10a52e285a13e199971c5...
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.