OpenTechnical

OT-2026-000009883

Publication integrity record

Single cup vacuum gripper, two stage ejector, vented before set-down

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-2026-000009883) never changes.

Identity and time

Publication numberOT-2026-000009883 · never reused
Internal UUID01a0ae6b-cb78-77ad-bd0c-9acbf43029c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009883
StatusPUBLIC

Content hashes

Canonical text4b1816d3303d515a242a32b6404920be795944b5df711fc119afd67d205b1e62
Markdown069597ea01fd0f93918f3f11577cb27f3fc67b1acc7be3c710bfbccb3de4e14a
PDF
Publication page55d0fb2751e43b9338f139e6ccfbfb93965d1d418bb6266142f64a71ab9d90a2
Manifestff3ba7979769b6e5e057f9a3c7c8186af44abb368630f4532b21a0fda036bd30

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
Signaturepv9kP7sXizeZdVqMJ/fz1Fl86M38UlsSizls7arxRa7GXZF9jA6xSN0EBlMRly+1NPRTfNtUHHiOY9py7iZWCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:53.510283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009883
observed 55d0fb2751e43b9338f139e6ccfbfb93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.490133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009883/manifest.json
observed ff3ba7979769b6e5e057f9a3c7c8186a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.470424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009883/publication.md
observed 069597ea01fd0f93918f3f11577cb27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.450407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009883/publication.txt
observed 4b1816d3303d515a242a32b6404920be...
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.