OpenTechnical

OT-2026-000043945

Publication integrity record

Single cup vacuum gripper, common isolation valve, single 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-2026-000043945) never changes.

Identity and time

Publication numberOT-2026-000043945 · never reused
Internal UUID01a0ae7b-d678-74fb-98f3-7fcb33f1a3e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043945
StatusPUBLIC

Content hashes

Canonical text3a09338bb1cdbc5e20c530e4822607f9e83f5dbc33941d76e2a4fb4e61d933d6
Markdown3a5a65cc7d037421c2e9f66dd12ce5449cad1a56c232a5ec345e34983a7cdc1c
PDF
Publication page18f2049be2a904affb9d836fb8522cd2a7715dfe308e5f992027f6f13f396650
Manifesta0ddf0796def164433e87db8944648da861eea269d6439ab249f30f4b7dabcd3

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
SignatureJVrNffEqEfSiLENC9zwAF9EFrUBA5h6dhBSZ55RHQKimiwVyRHy3uEd+sjeRbCSJVQEfeTlIafY5mDzbd949BA==
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

2026-09-17T11:12:17.897970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043945
observed 18f2049be2a904affb9d836fb8522cd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:17.880942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043945/manifest.json
observed a0ddf0796def164433e87db8944648da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:17.862669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043945/publication.md
observed 3a5a65cc7d037421c2e9f66dd12ce544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:17.844895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043945/publication.txt
observed 3a09338bb1cdbc5e20c530e4822607f9...
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.