OpenTechnical

OT-2026-000008181

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000008181) never changes.

Identity and time

Publication numberOT-2026-000008181 · never reused
Internal UUID01a0ae6a-908c-724c-8528-493a04e43923 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008181
StatusPUBLIC

Content hashes

Canonical text5471d3b966933aec81a51f16976a2bcb47a657894947cd74cb4c9fa89110b03b
Markdown81d1728f86d1997d74a485a519a3682ced979313aa4cdb89e4a75db335860c71
PDF
Publication pagefcb0bf1a813c499bb8ef956b3a2d6dc70d838ce11b87fd35ba6d13c2c2d08131
Manifestde6686620b23f15616fe1453ed4bd2365d4db984db729519ca5d699fe24274a0

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
Signature+svIPdKpfAmkyTlT/eVojhTOq5equ0kwVHecRsux4DM6ERciGXV+gLfy4ZDi+bJmSKOLQSCvnF3/Q5yQqD0UBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:32.899583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008181
observed fcb0bf1a813c499bb8ef956b3a2d6dc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:32.882753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008181/manifest.json
observed de6686620b23f15616fe1453ed4bd236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:32.865824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008181/publication.md
observed 81d1728f86d1997d74a485a519a3682c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:32.848848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008181/publication.txt
observed 5471d3b966933aec81a51f16976a2bcb...
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.