OpenTechnical

OT-2026-000070849

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed 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-2026-000070849) never changes.

Identity and time

Publication numberOT-2026-000070849 · never reused
Internal UUID01a0ae91-8c2d-793b-a1a4-8540c1940ba1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070849
StatusPUBLIC

Content hashes

Canonical text581a12674583d9e4e9c6500abf1549c7a9b9366138882d7316f3b3de13deff5c
Markdown117c5d39e088e1f526ec351222c0f69f4de7e5a4a7fd297e27b96fe7675ea759
PDF
Publication page191cfa3870cd455548401805adecba51ceeb54d357fff8df67124545fb461914
Manifest3ee70b4256287510b95af2a802eb11fc164b00cfc1d0c69b6db0f97d399d4ebe

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
SignatureSGCj5ynZkp1auO/xcciAh0HU0map0SLttxwwEX5LYXkX+mKY9pmKdKv5+OgzNntqjM9Bv3ooIVBZ7RJTPP4yBg==
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

2026-09-17T10:25:40.052270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070849
observed 191cfa3870cd455548401805adecba51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:40.034118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070849/manifest.json
observed 3ee70b4256287510b95af2a802eb11fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:40.016612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070849/publication.md
observed 117c5d39e088e1f526ec351222c0f69f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.999494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070849/publication.txt
observed 581a12674583d9e4e9c6500abf1549c7...
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.