OpenTechnical

OT-2026-000086918

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000086918) never changes.

Identity and time

Publication numberOT-2026-000086918 · never reused
Internal UUID01a0ae9a-80a5-73a9-9e43-679a86b28e8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086918
StatusPUBLIC

Content hashes

Canonical text83f30c90c1c9eeb8171148a3dd40d9d84a7237aeb418d290b7bd105ac28fa08b
Markdownb9a2f0c43818321bdc935b1c2fe87008f356e3db251be2fba6067855c13120c3
PDF
Publication pagedc69143db00241d16816b0e1ea2a84786431f34f09b1c93ebb47aab5c46745d0
Manifesta0bbd2f1c67ed68c86b794612ed9c871e8035208003355e7c3534e3bf454c2a0

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
SignaturedQwJSHB6HBJPnZd6Y356EGGaS4ScLEFWkKrAZwCzYr4LpLEJXcrIndXOMftNdItqDImTAO3UNNPo0iOjrFPjDQ==
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

2026-09-17T09:51:46.403910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086918
observed dc69143db00241d16816b0e1ea2a8478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.385875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086918/manifest.json
observed a0bbd2f1c67ed68c86b794612ed9c871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.367290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086918/publication.md
observed b9a2f0c43818321bdc935b1c2fe87008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.351939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086918/publication.txt
observed 83f30c90c1c9eeb8171148a3dd40d9d8...
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.