OpenTechnical

OT-2026-000091019

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three 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-2026-000091019) never changes.

Identity and time

Publication numberOT-2026-000091019 · never reused
Internal UUID01a0ae9c-c011-70a1-a47f-c2f9061af62c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091019
StatusPUBLIC

Content hashes

Canonical text92d425878393c65687e38d8e9acde71c61338a2ce2cdb50f7f28d1256d0705aa
Markdownf5cb22e7c3bcb35fbff4a3787e778b585232303eb8d0f32d8884584c4065c0a4
PDF
Publication page35e8a106a6935faade0796c939531efbc1f46657adc2cab9b6ffc4281bfc7cb5
Manifestdfcf8393fe3d8402386f9d617ea21dd5d3b4b347f094dcccbc779309ba730a36

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
SignatureIdG1duoJvxgUAoUCGzoRdu03MWircmgKZ61dPODNuBGankSaJCkeA/vGapptIuQVdnAfp4JepqCz6k0m0DgpCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:15.519625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091019
observed 35e8a106a6935faade0796c939531efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:15.499317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091019/manifest.json
observed dfcf8393fe3d8402386f9d617ea21dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:15.479475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091019/publication.md
observed f5cb22e7c3bcb35fbff4a3787e778b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:15.458716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091019/publication.txt
observed 92d425878393c65687e38d8e9acde71c...
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.