OpenTechnical

OT-2026-000008505

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum 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-2026-000008505) never changes.

Identity and time

Publication numberOT-2026-000008505 · never reused
Internal UUID01a0ae6a-e46a-701a-8128-70110fb872fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008505
StatusPUBLIC

Content hashes

Canonical textb3139748db2402809c728ab1d5bd436924b4ccc766350ddcb6358b8abce4724e
Markdown198ba84ec4e861a6f30b1d50907744f83d13ab8689c053cabe262c95870b6df1
PDF
Publication pagebfa7e1533c02a8c25fa08bc15966ccada85214ca32503851b0f36618dbe54853
Manifest3f0430efc06172a8a6525cde30af4a00067bf2edb05b96d4a74d3074490e8bac

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
SignaturetwuLJjG9hCSL7IrV8j2gxxaAVuzJG+lxpBiVHacAlc6fKvfODpyDrvofDK5eeslejo3W3+x4qkXVUGCm8WWSDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:24.794090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008505
observed bfa7e1533c02a8c25fa08bc15966ccad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:24.776225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008505/manifest.json
observed 3f0430efc06172a8a6525cde30af4a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:24.753035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008505/publication.md
observed 198ba84ec4e861a6f30b1d50907744f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:24.731163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008505/publication.txt
observed b3139748db2402809c728ab1d5bd4369...
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.