OpenTechnical

OT-2026-000015265

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000015265) never changes.

Identity and time

Publication numberOT-2026-000015265 · never reused
Internal UUID01a0ae6d-ef48-76ee-bd1e-ae236f7bbb33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015265
StatusPUBLIC

Content hashes

Canonical texted8604b3f99f5f7069f0ec06cffc23ac85a32b0837221860698eba3611ab6c07
Markdown78599f18451dcc6a36d945df0a055688086516e9b0982030014229170b8cd0f2
PDF
Publication page117ea918fa0c5bfae57dfb2acec95483624bc3194c57c22227ad4f8241ae1f65
Manifest6148d69015a84fd4737640eb4bad2d245ff16f5c81e7d8cc4a289f5b27b52cdb

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
SignaturelCxiKwxFDlhsLYnc0Z6M9OIYO9xS0Fn0YaQI6WbaaWizms0d4qmo8PgO3eREhkGOQVPTUL73p67eGbOK4awUDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:56.459542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015265
observed 117ea918fa0c5bfae57dfb2acec95483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.440650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015265/manifest.json
observed 6148d69015a84fd4737640eb4bad2d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.421906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015265/publication.md
observed 78599f18451dcc6a36d945df0a055688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.403054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015265/publication.txt
observed ed8604b3f99f5f7069f0ec06cffc23ac...
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.