OpenTechnical

OT-2026-000104236

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000104236) never changes.

Identity and time

Publication numberOT-2026-000104236 · never reused
Internal UUID01a0aea5-3420-705c-a063-63bc5c586063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104236
StatusPUBLIC

Content hashes

Canonical textb4840a0d159022d57a4bc4f0a2ddd5d79cdf62fd6f161582b7e15bef45f091c6
Markdown9d5cc5462333134492225c3cf566f576651b4ca9eb340a71967ba7b09f1606a3
PDF
Publication pageda08d838e9164f080c19fa5ad341f538d13a01a841813edf21d719c2b50c3bbc
Manifest2c7d1e6be845c35fdc0b53eb4a493d7dce5c1ac156e685a277ca72acb926bcc6

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
SignatureoCuaEeI/B6uTqqB+hVyS2s6QHAaI0hc4aT/NDnlfG3re9r+Yh+WqB12ZxE6K7XtV0Lq3bRTJ+HhvAZlSws6cBg==
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

2026-09-17T09:20:20.668175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104236
observed da08d838e9164f080c19fa5ad341f538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.640742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104236/manifest.json
observed 2c7d1e6be845c35fdc0b53eb4a493d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.620323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104236/publication.md
observed 9d5cc5462333134492225c3cf566f576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.596150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104236/publication.txt
observed b4840a0d159022d57a4bc4f0a2ddd5d7...
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.