OpenTechnical

OT-2026-000025979

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000025979) never changes.

Identity and time

Publication numberOT-2026-000025979 · never reused
Internal UUID01a0ae71-a83f-7804-a0f7-6ff5b37bc46d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025979
StatusPUBLIC

Content hashes

Canonical texta65c1c7e0e7c4f18c02213c107e039d6bf0b25202b890e072f004bf7fa591ce0
Markdown56809c2d574f97a5963884131fa32310cd07c24dc59c03216ada44f68e463938
PDF
Publication page89859af7f01b9c3d2d813a11fd662941d273f1c35defeb84adf07a1eb4e499db
Manifestb32c45792fe991b1f94b1a9aa37dadba9a6513271d300f022fda09462a40402b

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
Signature/5nm82Wd5UaE9RRiCMvrq1kYYD6oo1oAypDEWLAEXcMvEq4BmBUnm4uiT3NfZvdPQS8B1ZGo6zHM1BFRr7VJAw==
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

2026-09-17T11:46:20.964863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025979
observed 89859af7f01b9c3d2d813a11fd662941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.943728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025979/manifest.json
observed b32c45792fe991b1f94b1a9aa37dadba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.924729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025979/publication.md
observed 56809c2d574f97a5963884131fa32310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.903388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025979/publication.txt
observed a65c1c7e0e7c4f18c02213c107e039d6...
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.