OpenTechnical

OT-2026-000095742

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000095742) never changes.

Identity and time

Publication numberOT-2026-000095742 · never reused
Internal UUID01a0ae9f-fac6-7c25-9c22-393df4581c66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095742
StatusPUBLIC

Content hashes

Canonical textcc05df9169db031d209d776d84650205f6d6c2299170b992dfd6b2d8f39f0b41
Markdown21d79330ae2c9e72208dd092a0a9d9c87f6bc6eacadb46e0475d4e70822a49e8
PDF
Publication pageb8389fee3ec13840f4c12259925d21801e5c12c9999d5a7b2cc5ebd9ed89a068
Manifest143650b4a56ec8d5435741e9690e536c13e4a547ef2e2b362cee65235dbc67dd

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
SignatureqRRRTNKE7FPF0M8WTVqHEVYDfFtmAilwT1y0RBBcmkJqN+gUpi+L2TLTj/eSSfkDCYD9QfU7ehfrCKNZt5DsAg==
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

2026-09-17T09:35:18.447623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095742
observed b8389fee3ec13840f4c12259925d2180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.428706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095742/manifest.json
observed 143650b4a56ec8d5435741e9690e536c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.411757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095742/publication.md
observed 21d79330ae2c9e72208dd092a0a9d9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.394015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095742/publication.txt
observed cc05df9169db031d209d776d84650205...
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.