OpenTechnical

OT-2026-000067828

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000067828) never changes.

Identity and time

Publication numberOT-2026-000067828 · never reused
Internal UUID01a0ae8f-c4fb-71b3-99a9-a7c9fea1d84d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067828
StatusPUBLIC

Content hashes

Canonical text19375c68b46dd5e0c745e88506d1cfd9cc561322026d67f0759219deaaadeb25
Markdowncb80992dcd785400c8111c4de27e8b2d0411cc7f41715fbcfaeb7cb875c2ed0a
PDF
Publication pagead4479694a8adda088410239cd140604d4d3ef93ebe441a9f0a40f7904238b38
Manifest466c4b90ff6644422cd4320d783081e1a90ead06fc19fbeb8ba5ec761b4f28c7

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
SignatureiUvA16CT/xNc57iwHgluQ+SNC0eELibtpCBUfGq9JlXIQXpWZsMDMtYWlQQFLsmJeS9r3C2b2t5MKVGLzRYMAw==
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

2026-09-17T10:30:04.708320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067828
observed ad4479694a8adda088410239cd140604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.692091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067828/manifest.json
observed 466c4b90ff6644422cd4320d783081e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.673513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067828/publication.md
observed cb80992dcd785400c8111c4de27e8b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.654020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067828/publication.txt
observed 19375c68b46dd5e0c745e88506d1cfd9...
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.