OpenTechnical

OT-2026-000078955

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000078955) never changes.

Identity and time

Publication numberOT-2026-000078955 · never reused
Internal UUID01a0ae95-ccbe-7e9d-8440-d8c103564f56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078955
StatusPUBLIC

Content hashes

Canonical text843daef428932aa9828fdc323cfcd824c514df5a06f7e7ec1c0000ba501e23c9
Markdownc826e6559e3b562437ed4c1db9bd0ffed73036fd5c8a85dcf409f9312a712263
PDF
Publication pagedf6e3a319246c99720f3776cb5b642e29a774e18ab9abfc740ef4f9aeb9fb0e9
Manifest621d2d49159f6ff141593d24a6b41ae2fe0a22a67bb3fb9cbaeea227451fb77a

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
Signature9Yzu//q8q+suWdr0/+Mv51uwFaYlL2SgUBoWtTBE3jAz4LOhS4PAfH03j5mYN6avcyZGcRcJFYRcIEMSqiW7Bg==
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

2026-09-17T10:05:46.821522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078955
observed df6e3a319246c99720f3776cb5b642e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.802190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078955/manifest.json
observed 621d2d49159f6ff141593d24a6b41ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.780932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078955/publication.md
observed c826e6559e3b562437ed4c1db9bd0ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.760070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078955/publication.txt
observed 843daef428932aa9828fdc323cfcd824...
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.