OpenTechnical

OT-2026-000077360

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000077360) never changes.

Identity and time

Publication numberOT-2026-000077360 · never reused
Internal UUID01a0ae94-f509-752d-944b-305804d5c464 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077360
StatusPUBLIC

Content hashes

Canonical text211629b17060850d321c9759874539894d1cc8fb0744b311b5b2b6290660fd8c
Markdowne6c0813c25132d201fa33119b5aa9ce2a69d7ee56eb5606cf50b037af03a0033
PDF
Publication page2570da15d2dea90a6331d1fda79a3f7eb8423664272e33a4209bc3d48d884952
Manifestcc00907db91fd10058c6e4bd4e2164a23857cd205c1dd7025793d28b87184e06

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
SignatureLuDfiqpHtWs4RvfTu2yg0EOST4R82ODdYhw9cUFsMtoLdW5+n2SNJshOFjRNUU4wF0seL5M6e5TksU1DDXqxDg==
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

2026-09-17T10:09:00.208636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077360
observed 2570da15d2dea90a6331d1fda79a3f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.189628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077360/manifest.json
observed cc00907db91fd10058c6e4bd4e2164a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.168333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077360/publication.md
observed e6c0813c25132d201fa33119b5aa9ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.148737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077360/publication.txt
observed 211629b17060850d321c975987453989...
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.