OpenTechnical

OT-2026-000086570

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000086570) never changes.

Identity and time

Publication numberOT-2026-000086570 · never reused
Internal UUID01a0ae9a-2c98-7ef5-90c5-599c7ae681ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086570
StatusPUBLIC

Content hashes

Canonical text1b328715dfd1717c576196492c1b725c5de30d86d5ea0953af132d9722f73045
Markdowne1573aa802857c9e7a11bfbd6562b499255b5dd38b499244d6af5bcf5bedc8ef
PDF
Publication page8e0b1a420c024c3d553e9c6a5696b34985f8a55624a474e724f69e6a8fc5a4ba
Manifest22d42f995daa774a435b9175d9a39e99ce9bd0d327d1fbf61b78fd46cdd52d99

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
SignatureKFzSJf7TDkf5wcQPXNmydSaME/6RfpxM+RCC+6D6/iiCwkWc0cqYMvMA/MGvuUGf+Gx5EJZEp9ENhgxaCy6XAw==
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

2026-09-17T09:52:24.281363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086570
observed 8e0b1a420c024c3d553e9c6a5696b349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.263437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086570/manifest.json
observed 22d42f995daa774a435b9175d9a39e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.245784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086570/publication.md
observed e1573aa802857c9e7a11bfbd6562b499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.227029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086570/publication.txt
observed 1b328715dfd1717c576196492c1b725c...
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.