OpenTechnical

OT-2026-000032477

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000032477) never changes.

Identity and time

Publication numberOT-2026-000032477 · never reused
Internal UUID01a0ae75-106f-7ee7-899b-01c4765f6a0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032477
StatusPUBLIC

Content hashes

Canonical text4d96cd6321196f9f49b2b6b728bfca83dcd82149296ed4a18e98d32f7cff12d4
Markdowndc9e47fa4ae5521710f4647571bdc30f0c9f6a2d3c9f6ef6bfa7a96c5faaa8da
PDF
Publication pageba204349c24aca84dcb21abc34577159522287038366dd4d2e9c8a64954cb0b4
Manifest4c60caeb1b7b9f6fbbfab5f4bfde2f55ae0637a62d91ede5f8df47f92bbf9bbf

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
SignatureCt7zxos3CuiDXWlvTsdchO6QlRz0Qhzzs0Sa9L2/ovskdZzZTpzyX4hYWm2ctxZe37ddYtYKrkya8hpzR6GxAw==
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

2026-09-17T11:33:54.617328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032477
observed ba204349c24aca84dcb21abc34577159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.600422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032477/manifest.json
observed 4c60caeb1b7b9f6fbbfab5f4bfde2f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.583769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032477/publication.md
observed dc9e47fa4ae5521710f4647571bdc30f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.567461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032477/publication.txt
observed 4d96cd6321196f9f49b2b6b728bfca83...
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.