OpenTechnical

OT-2026-000068145

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000068145) never changes.

Identity and time

Publication numberOT-2026-000068145 · never reused
Internal UUID01a0ae8f-c4ff-7593-8a3a-1e8ded7abc56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068145
StatusPUBLIC

Content hashes

Canonical texta797f682294c169d3098b12b0a9893073c77c59913d37c434685ef9763886a5c
Markdown33753b516119362cb97fb593fdc33599bb39a59d0f8ac8425b11c0dc27499f61
PDF
Publication page1baa938380832e71786902ec24d1985fe42d267d8d7fa3aaf0966d84412930ae
Manifestb03fe2826da5625f767438ca588a0657df833ebbd851e67891f50700eb6bd462

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
SignatureAvxYfG7nwAu2MsdxMWuwKs1pGxQesB23u80E79km6kev4pIn104RdLA0nE4Cz1SDY3JgqB3irqm5iMMFgRmXBw==
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

2026-09-17T10:30:47.644236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068145
observed 1baa938380832e71786902ec24d1985f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.624980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068145/manifest.json
observed b03fe2826da5625f767438ca588a0657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.606891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068145/publication.md
observed 33753b516119362cb97fb593fdc33599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.588460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068145/publication.txt
observed a797f682294c169d3098b12b0a989307...
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.