OpenTechnical

OT-2026-000008611

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000008611) never changes.

Identity and time

Publication numberOT-2026-000008611 · never reused
Internal UUID01a0ae6a-e46b-74cc-9683-1e4f95064b06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008611
StatusPUBLIC

Content hashes

Canonical text824ef11999953db6f4deeea772b2c984a35352ac8cb4895d6703582a1f19aa7f
Markdown5e7db46f0b735ae96d74277d80a44f2a89a21d3582e8c694f177bdecec58a06e
PDF
Publication page40cc807a908520a2b2e0f5a55ad8a316c22b852911717d5eae6f7194922d3554
Manifest3e8a4c4445bb4a6e649496da87829e2e90afeb5aee4393de7eae653e5d71f637

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
Signature43LD+UvuVEJRf9zqDWHb9cCwWXxloeZ0jvI82EnTQapAj4zUTYi88W2KsETamow1opZf1rjXGvcRx+Ij2fbfDw==
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

2026-09-17T12:18:34.082939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008611
observed 40cc807a908520a2b2e0f5a55ad8a316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.065243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008611/manifest.json
observed 3e8a4c4445bb4a6e649496da87829e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.046438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008611/publication.md
observed 5e7db46f0b735ae96d74277d80a44f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.028347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008611/publication.txt
observed 824ef11999953db6f4deeea772b2c984...
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.