OpenTechnical

OT-2026-000041525

Publication integrity record

Single cup vacuum gripper, two stage ejector, sustained blow-off 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-2026-000041525) never changes.

Identity and time

Publication numberOT-2026-000041525 · never reused
Internal UUID01a0ae79-e89f-710d-807c-e8a6e28c7a70 · 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-2026-000041525
StatusPUBLIC

Content hashes

Canonical textfcb704e60cd5d90d8b13318b17d0fe370bb1894ed7a9f62eefdc87b3dba1deed
Markdownb2ecf0310f581b17d10db311ad36e1d534e2ceaa24159f50949aca22c07a56ee
PDF
Publication page0ceb83a21eab01c8967882f99b8d13faf2c9403ba58ed6839c1d8cbb010dcb83
Manifest4d5a117ba3d99f3ef45e0e31c9aef251a9e7f3738d1f6cecc8af29d7299a2ba6

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
Signature52i6qfdJ2b7tsnLIfIopcvBgW9RF/UDV5JP2EMPywaog26U5P0MRx0G207yU8yRM7Z6GJNA1LouIKIUCANS0AQ==
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

2026-09-17T11:16:17.783108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041525
observed 0ceb83a21eab01c8967882f99b8d13fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.765216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041525/manifest.json
observed 4d5a117ba3d99f3ef45e0e31c9aef251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.748927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041525/publication.md
observed b2ecf0310f581b17d10db311ad36e1d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.731048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041525/publication.txt
observed fcb704e60cd5d90d8b13318b17d0fe37...
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.