OpenTechnical

OT-2026-000041517

Publication integrity record

Single cup vacuum gripper, two stage ejector, sustained blow-off 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-2026-000041517) never changes.

Identity and time

Publication numberOT-2026-000041517 · never reused
Internal UUID01a0ae79-e89f-7cc9-b35d-dcf65f3a6457 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041517
StatusPUBLIC

Content hashes

Canonical text7d5337ea4a11833f8844b833c26a18de730c9d02cd274b2ac34ccc36ba57a36b
Markdown35f4da0b946319f36f972c087a38b379c76bd76c9488fb9b1cf38000c505da66
PDF
Publication pagedb8b26ef208e4b0850c42bfcbcc86aa5a4667269358ba29bc81d61f9460631f9
Manifestee0ae17a9633c24b9d611c02daaaa92b5a781c80b56901e34881d49d6f507d90

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
SignatureNjDYesCJ7qMY4lFsxyHTrnb2zc+IV7IaqpTl40Sq3H9CdnjDLLj8YuqDDOwwfn8h4A+jwy1CCtxTPNtJlbaQDA==
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

2026-09-17T11:16:17.202658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041517
observed db8b26ef208e4b0850c42bfcbcc86aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.183932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041517/manifest.json
observed ee0ae17a9633c24b9d611c02daaaa92b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.165297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041517/publication.md
observed 35f4da0b946319f36f972c087a38b379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.147634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041517/publication.txt
observed 7d5337ea4a11833f8844b833c26a18de...
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.