OpenTechnical

OT-2026-000099157

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold 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-2026-000099157) never changes.

Identity and time

Publication numberOT-2026-000099157 · never reused
Internal UUID01a0aea2-8288-7529-b180-135b83c80c60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099157
StatusPUBLIC

Content hashes

Canonical text3a33f51c1e3123ae4d258b8aef52c8c6883991ee979542b1de4e1c35e48e47b8
Markdown55f492a9c5cbb269e23c984eeb250beab44884b0080572a4682c7c05fce1d5b9
PDF
Publication paged81cbeb3761bae910f97e1b35e12107a372e3b28c1c8ca7823ec90ba5dd198cd
Manifestfbc4cbf9e0f50339780997f5ebf8adb5446d1352e2144fee1402694203ebe05d

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
SignatureO5Zf/NXk4gzemDwsZDDReTKrgaXmp94AbWcWbovVgFudYBrDskF7Z0QAw0naPulPUvkwdmdp9/pvZHczOJHxAA==
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

2026-09-17T09:30:32.083300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099157
observed d81cbeb3761bae910f97e1b35e12107a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.064380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099157/manifest.json
observed fbc4cbf9e0f50339780997f5ebf8adb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.044951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099157/publication.md
observed 55f492a9c5cbb269e23c984eeb250bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.026301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099157/publication.txt
observed 3a33f51c1e3123ae4d258b8aef52c8c6...
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.