OpenTechnical

OT-2026-000084647

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000084647) never changes.

Identity and time

Publication numberOT-2026-000084647 · never reused
Internal UUID01a0ae98-e25c-7c42-acf2-5b9bcfd732e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084647
StatusPUBLIC

Content hashes

Canonical textf6d03bee9d2539afff7d057e991dd6ba9d6ed8ecf8f71addf36abd1b5f673280
Markdown913be856585705e205138fdb2d6d13b85dfc6a4007da085066c752543baeeea0
PDF
Publication page613a27e7b7e7109f4373e207a39d4d8ad250694402021da6eeb4069f6deb2068
Manifest9d6060c238f4501b0a35a9eb0c39979c41c92fc53745a3a6167e5fb40b92bfa5

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
SignatureW4ko6TPS8T73kRcCSeWNoJtSD94iglbB/EXXE0lh27f5O5vYCoOUnCfIfN6ALH6AkBbv/4hVrS7OqVcrrJMZAg==
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

2026-09-17T09:55:34.000760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084647
observed 613a27e7b7e7109f4373e207a39d4d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.981864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084647/manifest.json
observed 9d6060c238f4501b0a35a9eb0c39979c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.962055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084647/publication.md
observed 913be856585705e205138fdb2d6d13b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.942555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084647/publication.txt
observed f6d03bee9d2539afff7d057e991dd6ba...
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.