OpenTechnical

OT-2026-000061413

Publication integrity record

Single cup vacuum gripper, single stage ejector, vented after 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-2026-000061413) never changes.

Identity and time

Publication numberOT-2026-000061413 · never reused
Internal UUID01a0ae8b-7b42-7e97-afb9-30f5c8ce93a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061413
StatusPUBLIC

Content hashes

Canonical text16713c05ca2c670b28b4949476307bd7f5f6ae54bc7d3c6b2d086d02ee87c002
Markdown132af63a9705d57b847cac0865807c8e0c43fc281c9dd0f7e347cae8da707f1d
PDF
Publication page0c3496537a96b64f839d535b5f0ddd4be462ac9237d1091a40eb6049aaa0ef33
Manifest972306075ff368cb34ee2532d5b50e255d9acb953ee3c42e8c436deb235e1836

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
Signaturenais4OhoFxB5FByhj27QEv1Y6KsxWcsQCjQ4hylXzFHp2sUAAlX0Lpv03mqtWkG6tKFqSgD+gsUJXWgwhoGNCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:16.933453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061413
observed 0c3496537a96b64f839d535b5f0ddd4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.914043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061413/manifest.json
observed 972306075ff368cb34ee2532d5b50e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.893957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061413/publication.md
observed 132af63a9705d57b847cac0865807c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.875157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061413/publication.txt
observed 16713c05ca2c670b28b4949476307bd7...
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.