OpenTechnical

OT-2026-000026712

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000026712) never changes.

Identity and time

Publication numberOT-2026-000026712 · never reused
Internal UUID01a0ae71-f4ab-720f-bc5b-bb26f68f7a2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026712
StatusPUBLIC

Content hashes

Canonical text241bb8f3265ec6e19f7d57992fb81b711a77e78b2e297e9db7852a322dcdbcdb
Markdown13c69549738c5bcb8acb3dcb1b9f52a7c8a6dd28a80672e1e2c0056600a32fd1
PDF
Publication page7345ae6c20b8765af41046968c00290fce5120ae96b66ddf84fe8a4174cf56da
Manifestf3a525eab4bda1bafcd96fbf7c3caf949c08477736792e5a5c24131270c3c944

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
SignaturenPfCGZJfeycCL7Cc6gt5fy164DDW0UGJzfGqZxqSSPoiGzUV2tErniFSqjU1aB5YH8mcY4M5XiohgwxBZdSyBA==
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

2026-09-17T11:45:48.465368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026712
observed 7345ae6c20b8765af41046968c00290f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.445188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026712/manifest.json
observed f3a525eab4bda1bafcd96fbf7c3caf94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.426240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026712/publication.md
observed 13c69549738c5bcb8acb3dcb1b9f52a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.408313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026712/publication.txt
observed 241bb8f3265ec6e19f7d57992fb81b71...
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.