OpenTechnical

OT-2026-000027380

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, sustained blow-off 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-2026-000027380) never changes.

Identity and time

Publication numberOT-2026-000027380 · never reused
Internal UUID01a0ae72-6997-75fb-88f0-5b375c958f7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027380
StatusPUBLIC

Content hashes

Canonical text9363f535d112cc391a4f63dbdd12d2e3b54bfd7f22edc1e300c68a45513d04c5
Markdownb6082b0da5e8aa886599d43068ed6dfe677b2c9702c948e05101e954c87b5491
PDF
Publication pageefae48bda5102617670207b2c2e0b2adf574c58478a3f4b16f3bbb3078951626
Manifest0026d1fbbf22042254ad0ab58c95f2bf37b93ca4c97848d20306d3f78067e0ad

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
Signatured4tjC6toqWwgWR4lcx0jqDHVByI/PhC0t52siT+kWEk+VYXQ+ZNPr067jYVg6VW1lO2H1nc8ORrlgH+DwDRBAQ==
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

2026-09-17T11:42:47.896589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027380
observed efae48bda5102617670207b2c2e0b2ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.878932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027380/manifest.json
observed 0026d1fbbf22042254ad0ab58c95f2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.860286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027380/publication.md
observed b6082b0da5e8aa886599d43068ed6dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.842960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027380/publication.txt
observed 9363f535d112cc391a4f63dbdd12d2e3...
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.