OpenTechnical

OT-2026-000064652

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000064652) never changes.

Identity and time

Publication numberOT-2026-000064652 · never reused
Internal UUID01a0ae8d-deb8-72f7-9fa5-8fdf3cf7be4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064652
StatusPUBLIC

Content hashes

Canonical text7cd3708be2c930ad106796c1811081d55829ed873929339ecb647070a6c0a9e4
Markdown3ce4673aa1a5bae720a9a654c70c67256f7885302337cf86c5c1546003f37424
PDF
Publication pageda7a684512731fb45c14ee7423a3794c0885c1fa29b539199b21786efdcb074b
Manifest533c83508b0ab67c30a1ef7feb51a35a8c9775bbf447c41afc16d21b364507ea

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
SignaturegyOEypjuyKH7xhMTtplcBWDKHeZy5nDOFvnC+jPOY0r0ueTNigFy9+wO58yM8XCchKe8tohELR2SdqpCn/eqBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:26.384765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064652
observed da7a684512731fb45c14ee7423a3794c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:26.366333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064652/manifest.json
observed 533c83508b0ab67c30a1ef7feb51a35a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:26.348510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064652/publication.md
observed 3ce4673aa1a5bae720a9a654c70c6725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:26.330470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064652/publication.txt
observed 7cd3708be2c930ad106796c1811081d5...
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.