OpenTechnical

OT-2026-000049619

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000049619) never changes.

Identity and time

Publication numberOT-2026-000049619 · never reused
Internal UUID01a0ae81-8fed-727c-8234-59fcd3bb6572 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049619
StatusPUBLIC

Content hashes

Canonical text225d121f1c18971ed4def67ab7499f42b02fd279af29f7363cd976f8e7b9cae5
Markdown123dc76ca9034be2a33b8472f51db41ab0629b32eeecf29e466000c027a1a4df
PDF
Publication page5b16a391da96da6e0b9499f04d0f2906d4083921db8c88703f00ea3cf0186aa2
Manifest55fa192303bebf9954f3e1ada69007f2cdab5c30810cc7a3e2d08c787c984051

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
SignatureeoOiK9oQehw1eGG/GZUuVnANEQIA78KXJ7l6L6YAPcdMl2JHZHKcNcTepMOU5VCLMkbnVGcWhw6v6fo6XDFhBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:36.398965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049619
observed 5b16a391da96da6e0b9499f04d0f2906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:36.378444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049619/manifest.json
observed 55fa192303bebf9954f3e1ada69007f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:36.355965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049619/publication.md
observed 123dc76ca9034be2a33b8472f51db41a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:36.337366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049619/publication.txt
observed 225d121f1c18971ed4def67ab7499f42...
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.