OpenTechnical

OT-2026-000078578

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000078578) never changes.

Identity and time

Publication numberOT-2026-000078578 · never reused
Internal UUID01a0ae95-7c29-7241-8a4f-0851e0c68c0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078578
StatusPUBLIC

Content hashes

Canonical textd648d6522a6876363cf076352fa677c2471f1012af3bfa822ee2bd26a8b0a07b
Markdown482ac55f23e27c5920c8a6212ebf59b03dc480295840acd5447bd383bfdba3cc
PDF
Publication page3d3b99277e677e68d6f2d4b9a93437e73a78fd9d7672dcec992a965ab941cb68
Manifest840c6f8953963bee2840b3c26bca0d342bbda2a4def5812e17a8d46b85bba798

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
Signature3QpLwO9l3luy9Ear0pmkSsrHR0dYuh6SQ0ak984OPG19SiRLn8cb8AU78yW85kRw+tG+sqA7UzCyX2UKoXwdCw==
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

2026-09-17T10:06:36.289354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078578
observed 3d3b99277e677e68d6f2d4b9a93437e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.202083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078578/manifest.json
observed 840c6f8953963bee2840b3c26bca0d34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.182227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078578/publication.md
observed 482ac55f23e27c5920c8a6212ebf59b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.163368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078578/publication.txt
observed d648d6522a6876363cf076352fa677c2...
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.