OpenTechnical

OT-2026-000086334

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000086334) never changes.

Identity and time

Publication numberOT-2026-000086334 · never reused
Internal UUID01a0ae9a-2c96-7b46-80a9-796a94252abb · 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-2026-000086334
StatusPUBLIC

Content hashes

Canonical texte9cc46985703bb6a349470b51fcb4b1da20185e7db26fb4966fd1298f44bff64
Markdown0364cc0c9a5c082e2f9419d6248a3693f4b85933868b3cfb9082c12e936b64d9
PDF
Publication pagec31accae393b5ed3fb2ed3d8f3df4bd6a58d0e9a3d347c81d9dab73b2fca3499
Manifest0afffe263b3c3bd37a4dfe181fe69063484fbd8be490cb37e379679beb2be629

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
SignatureZF9VHSR4fvySv7rp7j8wYcJJzVW9CnNAT2gDO8O3QVmvSRty0wyWmEn9P4vIOmukaS8v92F1ib59c3Tcy+kABg==
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

2026-09-17T09:52:01.491292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086334
observed c31accae393b5ed3fb2ed3d8f3df4bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.471688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086334/manifest.json
observed 0afffe263b3c3bd37a4dfe181fe69063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.453283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086334/publication.md
observed 0364cc0c9a5c082e2f9419d6248a3693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.434881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086334/publication.txt
observed e9cc46985703bb6a349470b51fcb4b1d...
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.