OpenTechnical

OT-2026-000075976

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000075976) never changes.

Identity and time

Publication numberOT-2026-000075976 · never reused
Internal UUID01a0ae94-2a00-706c-b5d0-bef4736b9305 · 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-2026-000075976
StatusPUBLIC

Content hashes

Canonical text5f701be2a666f4a2e4722d7d48ccb988bf28b990b4385c95d822d9a82f3452f2
Markdowna61c30e9a2e9c12ac36861123f6d67de6119ac28081c3d6f32559b57b416c899
PDF
Publication paged56728142ca40236bc54af9e459cd092352536f7ca9ba24ebc26e1afcfb27509
Manifestb1508a2a8073a2479f3f1957d2b46f4fdd5481a5dc117a20bd1a59d1cfa9bce1

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
SignatureGdQiGkFDK7uDPnHGJSJnvh2bR4VTD+BaRYREBg2fLqyZSyBt2netMYgLazZMFYg+n1x8Ka+Twt/mPqivzz5UDg==
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

2026-09-17T10:20:13.061478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075976
observed d56728142ca40236bc54af9e459cd092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.043222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075976/manifest.json
observed b1508a2a8073a2479f3f1957d2b46f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.023747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075976/publication.md
observed a61c30e9a2e9c12ac36861123f6d67de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.006244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075976/publication.txt
observed 5f701be2a666f4a2e4722d7d48ccb988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:00.298906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075976
observed d56728142ca40236bc54af9e459cd092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:00.279707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075976/manifest.json
observed b1508a2a8073a2479f3f1957d2b46f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:00.259385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075976/publication.md
observed a61c30e9a2e9c12ac36861123f6d67de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:00.241979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075976/publication.txt
observed 5f701be2a666f4a2e4722d7d48ccb988...
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.