OpenTechnical

OT-2026-000082820

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000082820) never changes.

Identity and time

Publication numberOT-2026-000082820 · never reused
Internal UUID01a0ae97-8cc9-7601-8851-fad94844cc58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082820
StatusPUBLIC

Content hashes

Canonical textc43131b6f743083fe257370e9f6121f3ba7935a583b1a810ab755168d1f77e3c
Markdown947e151b6aa622fdb175d8600e312b1d6be0af27679e93405803a7b344337ddf
PDF
Publication page028f7f9f1c3cd6f9c5b23b374b3835e46090d2bd2eca25a18c2692fef66a3fc1
Manifest9b5439d7ee9eb7c7bcd93b74cf7f0ae884752e76ac8729b5a77536c3644d3198

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
SignatureB66ZXI9YbX4cyt31gLOig4HIMHW/mm5m7+lGg2Vvd/E/9hgPu3ZgDsdCB3plBXNOcX8nQ/1EB8BVW+xGH0cGAg==
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

2026-09-17T09:58:25.055788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082820
observed 028f7f9f1c3cd6f9c5b23b374b3835e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:25.037854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082820/manifest.json
observed 9b5439d7ee9eb7c7bcd93b74cf7f0ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:25.021405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082820/publication.md
observed 947e151b6aa622fdb175d8600e312b1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:25.004804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082820/publication.txt
observed c43131b6f743083fe257370e9f6121f3...
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.