OpenTechnical

OT-2026-000087875

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line 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-2026-000087875) never changes.

Identity and time

Publication numberOT-2026-000087875 · never reused
Internal UUID01a0ae9b-1aa5-71c5-9710-8e244f2ba263 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087875
StatusPUBLIC

Content hashes

Canonical text14396702e6e6dbbd10edf7816bdb0daec85c409072634ddef530ee1192350a93
Markdown5ff3f34e4431234764ab22fcc663f4f3b0fc6be73600ed3c1db085ff1538ca04
PDF
Publication pagecae4b96a56f33bb82369d71afd1e0f3dd191cfc42e33239c39e4babcedbfcd1b
Manifesta8378dff4df1e5855e76683002ee433b190d94770efeb5bc45aa7ade4d676e7d

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
SignatureH6pWR8m109WKTVkdJxHEqKddZEHMZ4TSWW1HxTAi8a4bW5ix02b2iv1mhT5S8yFS+3ArDRYoWjKmaPiSvaYwAQ==
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

2026-09-17T09:49:08.192724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087875
observed cae4b96a56f33bb82369d71afd1e0f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.174921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087875/manifest.json
observed a8378dff4df1e5855e76683002ee433b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.155750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087875/publication.md
observed 5ff3f34e4431234764ab22fcc663f4f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.136084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087875/publication.txt
observed 14396702e6e6dbbd10edf7816bdb0dae...
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.