OpenTechnical

OT-2026-000102243

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000102243) never changes.

Identity and time

Publication numberOT-2026-000102243 · never reused
Internal UUID01a0aea4-50f3-719c-9bb3-6a5cad7e990e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102243
StatusPUBLIC

Content hashes

Canonical textcc2cd50ba28db446cc5a86294451e331becd8949c1c6384a877fa79d038eb921
Markdown3868ce4573c4961f61967507af6fae6f636070bde38374b2155769869bde251b
PDF
Publication pageeb5934a82eead99fc414b90c7ab5725ec3f50afbe56df45ca1cf170ef326354f
Manifest1c958298c53f8cae3aee75da43ae8b4d9353817aebb76b70f868f6a025cadba6

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
SignatureXuH2TOM9u52KMxEEnWXpGnPSkrZep4Bxb/r9x6vTdZfigmnOfQNNUyAkRv/ig32CYEtk5NqCTVGzHGNSfYAFCA==
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

2026-09-17T09:25:25.485620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102243
observed eb5934a82eead99fc414b90c7ab5725e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.466873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102243/manifest.json
observed 1c958298c53f8cae3aee75da43ae8b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.449865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102243/publication.md
observed 3868ce4573c4961f61967507af6fae6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.431107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102243/publication.txt
observed cc2cd50ba28db446cc5a86294451e331...
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.