OpenTechnical

OT-2026-000075668

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000075668) never changes.

Identity and time

Publication numberOT-2026-000075668 · never reused
Internal UUID01a0ae94-29fd-7efe-80b9-00d1079d80cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075668
StatusPUBLIC

Content hashes

Canonical text55ce384f741af8b6f388bb8c0d677668938d2eef928d5275d65d1a6f13be8ca9
Markdownbadb626b11bc5f311f5aaee23833a33f82c3b9386001d16a998131fa7452478c
PDF
Publication pagebf1384fd1f75a13f79567fbd042e9b6039fdf57fafc06f1761d5c69f0cb07d1d
Manifest34ad08c2aff35353720048e3f4d2f322b1f959e463fe4b8d763efe0c3a52cdec

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
SignatureVyGXaCtgmzN9+NAXa+U80uJRZHae9n2Dxjq4U3DsUHJRt8GvfqRZvVzZHXLqF0XEBbkIwm1VaC+MaEX4r8kuAA==
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

2026-09-17T10:13:46.506739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075668
observed bf1384fd1f75a13f79567fbd042e9b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.488205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075668/manifest.json
observed 34ad08c2aff35353720048e3f4d2f322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.466558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075668/publication.md
observed badb626b11bc5f311f5aaee23833a33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.449014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075668/publication.txt
observed 55ce384f741af8b6f388bb8c0d677668...
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.