OpenTechnical

OT-2026-000086465

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000086465) never changes.

Identity and time

Publication numberOT-2026-000086465 · never reused
Internal UUID01a0ae9a-2c97-75a9-be0d-76e1308e78a4 · 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-2026-000086465
StatusPUBLIC

Content hashes

Canonical texte3086e12e9440644f4719d48b5bd7bb03fc9c19d84c7d1a76f34551a79c9d28e
Markdown8340cdeab50eae0f7622b3cac3a8a126af998daef3fc0c6d51601385038ecf4a
PDF
Publication page860b0ea29e03c754f158df64cfa897335e3e9010328b70a04a3971094bf4b089
Manifest92474ca365d5a19788cd87bc4400eec6176fe327648516077ceee7b80794f686

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
SignatureEXuLnsU8U18a6VvNVDYdxoi00evou9x9PVxuTXEVlBOaFJ85N5WlQIv4kRqaGSU4WtQtvkMnDBGdo5lWEcF/DQ==
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

2026-09-17T09:52:16.265303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086465
observed 860b0ea29e03c754f158df64cfa89733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.247416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086465/manifest.json
observed 92474ca365d5a19788cd87bc4400eec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.229192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086465/publication.md
observed 8340cdeab50eae0f7622b3cac3a8a126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.210941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086465/publication.txt
observed e3086e12e9440644f4719d48b5bd7bb0...
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.