OpenTechnical

OT-2026-000063903

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000063903) never changes.

Identity and time

Publication numberOT-2026-000063903 · never reused
Internal UUID01a0ae8d-53bb-78cd-bd94-21696fb957c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063903
StatusPUBLIC

Content hashes

Canonical text180b79083fdcc86fc07e165144f68d704790a12c1a57f5cfb4a46958faee5ec1
Markdown6a7692e8edd0ed358784d5c132fa7663c909d76fdf1df7fb9b2a12889b1fa321
PDF
Publication page285aadbeecd9c0c6e20d6e8ee875054a11e19e048d64d503ffa5240a5544eb54
Manifesteb8392fa7f58136842bce61b6e07ff37ca5a6ec35d832b5f80e942aac78c3935

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
SignatureO2Sa10JiIe/Cpb5NLUGsJzHltERoABb+uvKcwcHnQQGLLkYZOU1HyeCsJeMsFNbl1fcECfHtS6x0ZzFY5JWNCw==
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

2026-09-17T10:36:57.023223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063903
observed 285aadbeecd9c0c6e20d6e8ee875054a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:57.003403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063903/manifest.json
observed eb8392fa7f58136842bce61b6e07ff37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:56.984327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063903/publication.md
observed 6a7692e8edd0ed358784d5c132fa7663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:56.966360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063903/publication.txt
observed 180b79083fdcc86fc07e165144f68d70...
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.