OpenTechnical

OT-2026-000079346

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000079346) never changes.

Identity and time

Publication numberOT-2026-000079346 · never reused
Internal UUID01a0ae96-0b90-7703-8d31-6c8ac9044f65 · 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-2026-000079346
StatusPUBLIC

Content hashes

Canonical text888ab459e32f42987bd0db87d9ed8e9318a6d7719cc64f07cfc716f078440639
Markdown4a5e0b303fcbe8e7fcba33b225636ca35d7a49a3f5ad38c219a4a39bed3fded8
PDF
Publication page212219be3496856de830dfe8992f85977d12a827b0f0aa861ffb9bd53b19c128
Manifeste507d8c0772068c7ed9f650a0bf324f07d7637ccd082af5e9ee312f4b30316cd

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
SignatureFkmbiOqc/ck43+fTG6KA84ijlkakovM6H1FPpkpSXag8nXHGdH+hkM8wm/cFGuU9wCGq3+gxABt1w4RH2P4yCw==
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

2026-09-17T10:04:57.653020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079346
observed 212219be3496856de830dfe8992f8597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.633879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079346/manifest.json
observed e507d8c0772068c7ed9f650a0bf324f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.615508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079346/publication.md
observed 4a5e0b303fcbe8e7fcba33b225636ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.595315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079346/publication.txt
observed 888ab459e32f42987bd0db87d9ed8e93...
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.