OpenTechnical

OT-2026-000062668

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000062668) never changes.

Identity and time

Publication numberOT-2026-000062668 · never reused
Internal UUID01a0ae8c-6388-7de4-aa68-b4bba9e64dcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062668
StatusPUBLIC

Content hashes

Canonical text4cd2dd887c7e5645055cab13d241bfe74c7c828c9b0dcacf58f986346abae444
Markdown919f8f63de5c0567b60a4b5211c4eced4e7e728bc4cd0fc57cb4e01f5521694b
PDF
Publication page71530c447b39198043c791163e4a5e8e9181455806595a8864ed33b7b5b5ae85
Manifestc88212b2ce905b70aad42a8f5566f55532ee2bf2019f868a3f70382068e17e01

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
SignaturenHGzy0lGh3AVz0gfA4bZES8dsJ2zblpzMt3Jx0vRKDU6Ec+W9ulnYFtevprWr1dGO6ToNMd4TgUvKp8ZZS0iAA==
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

2026-09-17T10:39:13.430753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062668
observed 71530c447b39198043c791163e4a5e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:13.415205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062668/manifest.json
observed c88212b2ce905b70aad42a8f5566f555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:13.397573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062668/publication.md
observed 919f8f63de5c0567b60a4b5211c4eced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:13.382314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062668/publication.txt
observed 4cd2dd887c7e5645055cab13d241bfe7...
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.