OpenTechnical

OT-2026-000030480

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000030480) never changes.

Identity and time

Publication numberOT-2026-000030480 · never reused
Internal UUID01a0ae73-e504-7de8-aa49-e0a3bbf4f7a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030480
StatusPUBLIC

Content hashes

Canonical text7bdd144dabc521907d4389e79330d03931dc0718d8ac96795d733dfd5978046a
Markdownb5cbd0ac1d9b1cf16db29a219d751187b0e40fc665f45705721c37e3915097da
PDF
Publication pageec6469314a71b61a48be9d4f143b1c12e1160016e07856d82e0bbda8814779c0
Manifesteb353786675a0ab6d6787ce7b011f3f9745b2264e1a44167f59ba31403c7739d

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
SignatureuW64Zuj3TabHdK/5dKELnYfoVIASj0jF0FTa98HGCIDZQt6XBLQ/WEGh3eFajTdo1jYgNacLgp8XLAHJX6z/Ag==
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

2026-09-17T11:38:19.734219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030480
observed ec6469314a71b61a48be9d4f143b1c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.716624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030480/manifest.json
observed eb353786675a0ab6d6787ce7b011f3f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.699187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030480/publication.md
observed b5cbd0ac1d9b1cf16db29a219d751187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.680232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030480/publication.txt
observed 7bdd144dabc521907d4389e79330d039...
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.