OpenTechnical

OT-2026-000101115

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000101115) never changes.

Identity and time

Publication numberOT-2026-000101115 · never reused
Internal UUID01a0aea3-c378-7084-80e4-b5c6bc068945 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101115
StatusPUBLIC

Content hashes

Canonical text901bc266dfc6c65069afd1310cfb4a096595e530407dd68e1b4dbc3ad8c6e3e8
Markdown3f3d1aef44c10c85cfbe6db871fc9ad42cfca22ac866a85b17eaf1595349d0a0
PDF
Publication pagea70c4d4a697309d70ce6a1770584181418eea310b08b8358df3c9043473fa6a2
Manifest39af6dab10a58c6bcc0f0181a3b1fe17d63b163d81acd60787ac8bb5538d3585

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
SignatureW4TyEl5tS+RzleMi1NwIpYSJND/feGJH4b0SZj5W97YoVV3xMe0wW01OGuSi0qnJgGxKEBeiDXo57b35OgHUCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:44.563819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101115
observed a70c4d4a697309d70ce6a17705841814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:44.545727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101115/manifest.json
observed 39af6dab10a58c6bcc0f0181a3b1fe17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:44.528925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101115/publication.md
observed 3f3d1aef44c10c85cfbe6db871fc9ad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:44.511600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101115/publication.txt
observed 901bc266dfc6c65069afd1310cfb4a09...
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.