OpenTechnical

OT-2026-000089318

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000089318) never changes.

Identity and time

Publication numberOT-2026-000089318 · never reused
Internal UUID01a0ae9b-db01-7206-8f4a-5d5c4f1324c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089318
StatusPUBLIC

Content hashes

Canonical textff6181284b8600839dd6d4627acd761587510ef06a0c422be184f96923bf1ddc
Markdown01d8aba534dbcb47225ca5839ea49c138d4f33f055b2957ada5f23489959b852
PDF
Publication page80809df289564ddc87340123615a780a649637f72eb43a11f67b41b1c74bca62
Manifestb27d88bd0d760b76adb015462e4c48311ab6853a1be4305be1242333d469b26e

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
SignatureVTP/jm+Ym+jRWw/Vn93xCxr0fFRye9fCuM78Sk1x2tv4gyyPjmAPDp2f6mRTO/Y/HSY+/04EhYbEYQp6hVboAg==
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

2026-09-17T09:47:22.163644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089318
observed 80809df289564ddc87340123615a780a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.145704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089318/manifest.json
observed b27d88bd0d760b76adb015462e4c4831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.127538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089318/publication.md
observed 01d8aba534dbcb47225ca5839ea49c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.109249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089318/publication.txt
observed ff6181284b8600839dd6d4627acd7615...
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.