OpenTechnical

OT-2026-000075898

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented before 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-2026-000075898) never changes.

Identity and time

Publication numberOT-2026-000075898 · never reused
Internal UUID01a0ae94-29ff-708d-89d9-8ddf9bfafffa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075898
StatusPUBLIC

Content hashes

Canonical textf6e43049f136260c62385e969c9de97dd757c6895fba2202d89596718c511f32
Markdownad6633c00fb7b7490ac4aaf5f15d2dec6fc84b6f65419b8bb25fef1a58d4e07e
PDF
Publication page2749d643519d08f09aac8a424fcee7c162ba59398c3295dda0d8dc876faf743d
Manifest8f14563d8fb51959d42057b5c464a63328ac989f30a749f2735634b37958e7b6

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
SignatureSMIUcAEfxG8LynrdcvfxEPd9H9T/2LiWtmdmiijnk9/zAkyiMTLdht6PcdRg1SntHfMFkDZX5KnV73ofD4UADQ==
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

2026-09-17T10:14:42.197926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075898
observed 2749d643519d08f09aac8a424fcee7c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:42.056547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075898/manifest.json
observed 8f14563d8fb51959d42057b5c464a633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:42.036912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075898/publication.md
observed ad6633c00fb7b7490ac4aaf5f15d2dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:42.011005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075898/publication.txt
observed f6e43049f136260c62385e969c9de97d...
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.