OpenTechnical

OT-2026-000033089

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000033089) never changes.

Identity and time

Publication numberOT-2026-000033089 · never reused
Internal UUID01a0ae75-4844-7035-bf73-7152d9732136 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033089
StatusPUBLIC

Content hashes

Canonical text9c98bf3b333ec85620f85679194cdd5f3d03bca5f3c206458812220eb91a4ef6
Markdown77cb6367cd5b929a414c207154f78f68e849d334c0a7c7704bd0b4c82ce5201a
PDF
Publication page36a94eb3e5bd9fa3a10b80266a5fca86b3e4b0175afdba0368eb1829fecf4f97
Manifest79a42e5abd9021f6cc87f90497f7d2485589ebfdf227ef54a258e075f702e27e

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
Signature8yq/Hx9LMmp58AG9kebWDpX9jSIrRjFMVv9w2EBZxv8cnKuJVeX8akEg/bZLt4P/c6jhERgEcBcCoGuxD58/BA==
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

2026-09-17T11:32:44.322790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033089
observed 36a94eb3e5bd9fa3a10b80266a5fca86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:44.302362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033089/manifest.json
observed 79a42e5abd9021f6cc87f90497f7d248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:44.285319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033089/publication.md
observed 77cb6367cd5b929a414c207154f78f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:44.267898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033089/publication.txt
observed 9c98bf3b333ec85620f85679194cdd5f...
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.