OpenTechnical

OT-2026-000079352

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000079352) never changes.

Identity and time

Publication numberOT-2026-000079352 · never reused
Internal UUID01a0ae96-0b90-7efa-a172-ab0401153323 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079352
StatusPUBLIC

Content hashes

Canonical text0d829a6c1fc1d6c8471e8253f39a05af33b3734a8d5978711b0351f4dc52d4b9
Markdown5cf09725dce9d8d0db27a95888dfc8425a5dd01bc89a1747682e9e4294250562
PDF
Publication pagebece410a49a023ff9faae57fc8a234d596f509e4c2d4e89fae2c616917313d4d
Manifest7c7d7440882090be4bf3ca32f116496e4e229e4df1aa2f4ce9e49b124af0bc0c

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
SignatureGjmfA7ytdqWbqkyGfURueEXaXR4Wg9S+Z6m7jPs1G/PHM3JFDnQ88TrRVYOT24aiR+xg62TyvzGXZwzpPO5wBw==
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

2026-09-17T10:04:58.051853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079352
observed bece410a49a023ff9faae57fc8a234d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.033550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079352/manifest.json
observed 7c7d7440882090be4bf3ca32f116496e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.014385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079352/publication.md
observed 5cf09725dce9d8d0db27a95888dfc842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.994511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079352/publication.txt
observed 0d829a6c1fc1d6c8471e8253f39a05af...
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.