OpenTechnical

OT-2026-000023597

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000023597) never changes.

Identity and time

Publication numberOT-2026-000023597 · never reused
Internal UUID01a0ae70-726a-7d5c-8ec5-24ff81ac9583 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023597
StatusPUBLIC

Content hashes

Canonical text778487ba31470681b07647b3324e262ae058669a8f19cfeda7c99b68c5ef456e
Markdownd63a48e92fef8f67bd4038cac9406276c3cfc03256037ccf3621389cfde00ff1
PDF
Publication page1f0fccf5cc7dd1fc77d5c1470f15e4a55be05c76b6177da32d45342c70592bb3
Manifest9e39bb333c8cebeaa1ab637e250c6fb90fbbdbdc56951f7a876f561eb903f682

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
SignatureG4YEu/hUB3mzpl4JKMGz6RJRAsj/irn1uH+fF4zlNR75MUxjBzz6lvoB5XscsY+Vm2To+m3LPI2hXV4c6LJlAQ==
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

2026-09-17T11:51:57.470602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023597
observed 1f0fccf5cc7dd1fc77d5c1470f15e4a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.452208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023597/manifest.json
observed 9e39bb333c8cebeaa1ab637e250c6fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.431095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023597/publication.md
observed d63a48e92fef8f67bd4038cac9406276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.412030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023597/publication.txt
observed 778487ba31470681b07647b3324e262a...
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.