OpenTechnical

OT-2026-000086389

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, sustained blow-off before set-down

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-2026-000086389) never changes.

Identity and time

Publication numberOT-2026-000086389 · never reused
Internal UUID01a0ae9a-2c96-719c-b288-8d9b6e196ab2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086389
StatusPUBLIC

Content hashes

Canonical textad898aa7b4bc2336cabf94b0d4f4d255d4dca259844cbe3d7665c213d37372fc
Markdownf2ac1d9b00742ab1c340a3f91210b8b90691fefe4d5ed2c782af1f05b8c1b18e
PDF
Publication pagefce9c9e388093aa641ef59c2ece147fc6a606a645bc9deaf466f5ed03213157a
Manifest4b5b80cc372aa4dd40e16c9eadcdbb9bb41a2bbc75382fbb27524e0afed9ee4b

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
SignatureJEzgah7y/IOoPEjYngSrwnUGjoHye7Bqj/3KR5FgOo1eZR7khQ+9Y18nJLNifhhwEGDpzmjFeUHePXSTeCb4Dg==
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

2026-09-17T09:52:05.099481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086389
observed fce9c9e388093aa641ef59c2ece147fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:05.081867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086389/manifest.json
observed 4b5b80cc372aa4dd40e16c9eadcdbb9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:05.064353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086389/publication.md
observed f2ac1d9b00742ab1c340a3f91210b8b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:05.045963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086389/publication.txt
observed ad898aa7b4bc2336cabf94b0d4f4d255...
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.