OpenTechnical

OT-2026-000022685

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single 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-2026-000022685) never changes.

Identity and time

Publication numberOT-2026-000022685 · never reused
Internal UUID01a0ae70-46e9-7470-93f4-08f3a3999ac0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022685
StatusPUBLIC

Content hashes

Canonical textc6f192e45c338acefc8d4f57c6e05b3c9574777e424941c1d1fd032682491d29
Markdown1d2bd398248ac0b6fcabed41cf23c5398b52e4d905ddc0a666405ea713a73ff0
PDF
Publication page1a86f99d9ce0759c4e1594eb8e7e20d4cf6d3ab2a44d17a707779789894ac9fc
Manifestcb0fa514d6a7b41e48741b990d73d047e3b9c087ee137032a4bbcd748d2c63a4

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
SignatureCS9C9oEil28oQrF5nJrPhmWu7woWEgdwKeZ6jdyDkVoWnl03ysd8MK9Jzrby41wgrhNbbr6LxBKkPFJm1LHqBQ==
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

2026-09-17T11:52:04.485564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022685
observed 1a86f99d9ce0759c4e1594eb8e7e20d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:04.459510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022685/manifest.json
observed cb0fa514d6a7b41e48741b990d73d047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:04.423897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022685/publication.md
observed 1d2bd398248ac0b6fcabed41cf23c539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:04.406182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022685/publication.txt
observed c6f192e45c338acefc8d4f57c6e05b3c...
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.