OpenTechnical

OT-2026-000086915

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000086915) never changes.

Identity and time

Publication numberOT-2026-000086915 · never reused
Internal UUID01a0ae9a-80a5-7448-9f6c-ae3762616b77 · 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-2026-000086915
StatusPUBLIC

Content hashes

Canonical texte6e03105d5f17d23c8126bd90bdbbbd18684fde5133e197375e791bdb3cb7faf
Markdown11093618199f0c520d9d2da8e77ce2c71efcb35e9b8ee96e395a4ad2f711c457
PDF
Publication page0edb3cd11613b4952458d4f4585aac671adf3ac57c0f2e342c3cb5045e9067e6
Manifest49031f117822a9921fbe5999c073e4af52feb82407b3b32ad8cd7ac959335510

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
SignaturevcRFAEtPnKZeOZhj2oZ0iKogx62WBktRruYhN3rz7s0FHFVOFfxlKUiDY3OJN2jmEG1pYBJ0lfmQCFFUBMtWAg==
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

2026-09-17T09:51:46.194170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086915
observed 0edb3cd11613b4952458d4f4585aac67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.177518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086915/manifest.json
observed 49031f117822a9921fbe5999c073e4af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.159590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086915/publication.md
observed 11093618199f0c520d9d2da8e77ce2c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.142533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086915/publication.txt
observed e6e03105d5f17d23c8126bd90bdbbbd1...
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.