OpenTechnical

OT-2026-000098178

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000098178) never changes.

Identity and time

Publication numberOT-2026-000098178 · never reused
Internal UUID01a0aea1-e964-7889-a84d-24d18ecf2399 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098178
StatusPUBLIC

Content hashes

Canonical text8afa4b9e4b07d80d203510e65afe61016209b93a76c372da215f582e79e18475
Markdown9542ac10ebef8fc5267bb7878ac2ee77c5dfa46c07f63cc74faf92c7888ef885
PDF
Publication pagecf91bec821ee453433bc646eea34fcd60b56cca7f2cc8218ac19f24dd6360ba3
Manifest30d82ae5e6e9045fe76cc92cdf079247c3cfb39ed4044c8a5f8286b86316e8a0

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
Signature4+lBf76aoKCb0HQkdGc6fwHL9cMIkGZvVwsQ/V9Xzf7DnxyHY4VAESM0hAEL6jD/NagK2fnb44q9i9FsaE7tDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:19.967248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098178
observed cf91bec821ee453433bc646eea34fcd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.951357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098178/manifest.json
observed 30d82ae5e6e9045fe76cc92cdf079247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.934394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098178/publication.md
observed 9542ac10ebef8fc5267bb7878ac2ee77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.918030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098178/publication.txt
observed 8afa4b9e4b07d80d203510e65afe6101...
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.