OpenTechnical

OT-2026-000087998

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000087998) never changes.

Identity and time

Publication numberOT-2026-000087998 · never reused
Internal UUID01a0ae9b-1aa6-7c9c-bbac-6c9ff3e3f2e4 · 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-2026-000087998
StatusPUBLIC

Content hashes

Canonical textbca1e8caaaadc6f3d5bcf82d66995831bcda7568fac9808fe677cab0b2758999
Markdown9fe259fcaf83d52ae899733c431a0450500eafb5cc69367e1ca0108fa0858ed3
PDF
Publication pageb8d60fde0ee5a5cd16652b3ce6d595f28e67a8c295124b2bb4aa339c459a81ec
Manifest5d201ba8e700123296b1fedcc897a79eb6caec06fb4a3f7a9b5e407ecbb5626e

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
SignatureWS699XuRR8Z4zkInIkCS8vsBfx8qnQ0eGTkMx0IAdrFekWpE3CNwMQv++tmoXBc82RIN9sgCZ8FNRaMK8/kJCg==
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

2026-09-17T09:49:18.215671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087998
observed b8d60fde0ee5a5cd16652b3ce6d595f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:18.198533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087998/manifest.json
observed 5d201ba8e700123296b1fedcc897a79e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:18.178517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087998/publication.md
observed 9fe259fcaf83d52ae899733c431a0450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:18.161319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087998/publication.txt
observed bca1e8caaaadc6f3d5bcf82d66995831...
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.