OpenTechnical

OT-2026-000075925

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000075925) never changes.

Identity and time

Publication numberOT-2026-000075925 · never reused
Internal UUID01a0ae94-29ff-7db8-b793-c2d4729b2886 · 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-2026-000075925
StatusPUBLIC

Content hashes

Canonical text0673beac18f539eee7770f4929f48cd160464cc1cad8477c923883f6b38d0c37
Markdown47094c552276043b18be8825172c8ff38b94d16eadeb289514ba0d9d10b90f83
PDF
Publication page8f899ecdd32cbae66412bbc2cc97bfafd3a6ad5a3766e036b8d2944ede334d7f
Manifest4957870449e63630c48b5b830539155b591f7943c6e759c9250d590e56b56d86

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
Signature45M0Rj9SwuYA9nMLatzXUqAx9TdOq9p2q31jebNcJdB4sZDz/R+4+KGxV9LXM1k2Qbo/sdwiZXxt6jLVZRuCAw==
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

2026-09-17T10:12:56.716073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075925
observed 8f899ecdd32cbae66412bbc2cc97bfaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:56.697814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075925/manifest.json
observed 4957870449e63630c48b5b830539155b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:56.301799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075925/publication.md
observed 47094c552276043b18be8825172c8ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:56.262052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075925/publication.txt
observed 0673beac18f539eee7770f4929f48cd1...
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.