OpenTechnical

OT-2026-000014538

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000014538) never changes.

Identity and time

Publication numberOT-2026-000014538 · never reused
Internal UUID01a0ae6d-b27b-7ed1-97b9-60d3ffaf1b90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014538
StatusPUBLIC

Content hashes

Canonical textbe08159d8d8d25f7cdc33bb5c023399db57fee1cda8a6f42e721def85d10d283
Markdown289c40d09872c003d79c84b722963886e4b696be36ebe5bc679952d533ac2dd5
PDF
Publication page321e9649afe53f54d051b9d883cbb4cd7f7c3d79e7d9aeed7a390dec15d3be63
Manifeste99f9de9588702f100a28eb5b6f906f0819c21c46547eef76491d8217a359336

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
Signaturez5nKV9P65+kaNLHuD3j5/EvoTww4um+py79LXdX8QyEnoKQ7npc4Xz7xvsXdS2rK3YBfZzAyrCqMEBuyOoYHAA==
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

2026-09-17T12:10:23.088666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014538
observed 321e9649afe53f54d051b9d883cbb4cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.068566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014538/manifest.json
observed e99f9de9588702f100a28eb5b6f906f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.051560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014538/publication.md
observed 289c40d09872c003d79c84b722963886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.033014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014538/publication.txt
observed be08159d8d8d25f7cdc33bb5c023399d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.257051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014538
observed 321e9649afe53f54d051b9d883cbb4cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.237930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014538/manifest.json
observed e99f9de9588702f100a28eb5b6f906f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.221195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014538/publication.md
observed 289c40d09872c003d79c84b722963886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.205314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014538/publication.txt
observed be08159d8d8d25f7cdc33bb5c023399d...
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.