OpenTechnical

OT-2026-000064675

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000064675) never changes.

Identity and time

Publication numberOT-2026-000064675 · never reused
Internal UUID01a0ae8d-deb9-7274-a394-372ca9f22ee9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064675
StatusPUBLIC

Content hashes

Canonical text51ea8492d5297e642a3918856dafdc2255b69492c064a777789714f013597d88
Markdown8b2bf77df0750fcc22ff089e2c81c5d0a22ea0e44652e6f280293fc5f9553c9f
PDF
Publication pagee15a7006fa1f87ef9b3b839715de282b7075287ddbf7d969083aea2aea96fb91
Manifest9347451edbad9da8be2ac4c5b1c923e679654aafc93ae7192de1c4e14cb6572f

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
Signature0YRmvqi7P30Zz69VZV3Lh2rwxnX9YmyR0pCzUYBzrAYjzVROlPCH5eOrZEkRZyHhN7nDIQCBl2uzf1xJObhaAg==
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

2026-09-17T10:35:28.218598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064675
observed e15a7006fa1f87ef9b3b839715de282b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.202422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064675/manifest.json
observed 9347451edbad9da8be2ac4c5b1c923e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.185480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064675/publication.md
observed 8b2bf77df0750fcc22ff089e2c81c5d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.168228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064675/publication.txt
observed 51ea8492d5297e642a3918856dafdc22...
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.