OpenTechnical

OT-2026-000045704

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000045704) never changes.

Identity and time

Publication numberOT-2026-000045704 · never reused
Internal UUID01a0ae7d-8f04-78cf-86cc-1a2cfad395c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045704
StatusPUBLIC

Content hashes

Canonical text3e7a1697e3eb48a2a2f5641c1b3df756cbf68904efe05796ece3fa4feec4ea30
Markdown6038d2481aca6d0049c2f5372bc61e9aba8d499e06483895d2befb9d4c624814
PDF
Publication paged91c8b8c57be08e0f989560d768d70673c2b12628d3fac297e3feff457f1c031
Manifest7efd1a46be93544727548ba73357e8f915125b74351b1bc76cbbad0ac56c3387

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
SignaturetE1BYB6WG+4WTXQKDZ1V1JK2iXVBy7cEcb3EwrOeVshx4UJleRE6YAA9lT9cinveYl/mcbC04ICvTrgGDj9oDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:30.710411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045704
observed d91c8b8c57be08e0f989560d768d7067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.690312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045704/manifest.json
observed 7efd1a46be93544727548ba73357e8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.672118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045704/publication.md
observed 6038d2481aca6d0049c2f5372bc61e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.654392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045704/publication.txt
observed 3e7a1697e3eb48a2a2f5641c1b3df756...
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.