OpenTechnical

OT-2026-000103113

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three 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-2026-000103113) never changes.

Identity and time

Publication numberOT-2026-000103113 · never reused
Internal UUID01a0aea4-be3d-7e79-bc06-48b08c0dd3be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103113
StatusPUBLIC

Content hashes

Canonical text172a09b241f4ecd3949fd9f981bc8ad48a363156870d42319d98fc4984ec2819
Markdown99308fb675fec91c4fa577e1229bcd28da0f25f7b146070e7d4cf197cdf73d75
PDF
Publication page9ab84244c44fe41ec1e2d8c9404e644f208d9177c1d85dc98e1d7fb9a9bd0a8e
Manifest24a9e142ba3f7d5161e474f86ff5ba12f5b9881a25faf8ee17063a0ae965437e

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
SignatureznaU4djVc0L8to5m1O/JKgL2VOAgY6wu3v+NnNlDZ+hw38z5cDMUGJPub24fEYkWPVMajpiCTngVK/rKfWZ2BA==
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

2026-09-17T09:23:14.667150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103113
observed 9ab84244c44fe41ec1e2d8c9404e644f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:14.649015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103113/manifest.json
observed 24a9e142ba3f7d5161e474f86ff5ba12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:14.632138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103113/publication.md
observed 99308fb675fec91c4fa577e1229bcd28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:14.615164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103113/publication.txt
observed 172a09b241f4ecd3949fd9f981bc8ad4...
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.