OpenTechnical

OT-2026-000089207

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000089207) never changes.

Identity and time

Publication numberOT-2026-000089207 · never reused
Internal UUID01a0ae9b-db00-7f17-8002-8a6bdac8e963 · 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-2026-000089207
StatusPUBLIC

Content hashes

Canonical texte4662e5d8519250c494ae93ec786ca9aaf1460aa1682707b573de872c8fece13
Markdown31bd8a759dcf5ba6e8185c9455b2d79f8b817a4ff55fd19ce47d21bd5f1b4fbf
PDF
Publication pagebb19ecd2ed165688a37ddf10447e2d7659258973dae5430b976d598aedb4fc16
Manifest8e5d26666ec0a8b3ba6d5672d0216e8da9ee3cad951e113ebf8235b579fa0343

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
SignatureMXeWpzCUTIBS+cTZnipUscLCI7qvXItw6N85gYjYmkOsnfwcagvYGIBnpRD2FddZGxpWR5XXf71d/e6jB+evBA==
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

2026-09-17T09:47:13.639667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089207
observed bb19ecd2ed165688a37ddf10447e2d76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:13.621355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089207/manifest.json
observed 8e5d26666ec0a8b3ba6d5672d0216e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:13.604697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089207/publication.md
observed 31bd8a759dcf5ba6e8185c9455b2d79f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:13.588032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089207/publication.txt
observed e4662e5d8519250c494ae93ec786ca9a...
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.