OpenTechnical

OT-2026-000048217

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048217) never changes.

Identity and time

Publication numberOT-2026-000048217 · never reused
Internal UUID01a0ae80-4de2-720f-a161-4c773abbfaa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048217
StatusPUBLIC

Content hashes

Canonical text8bebf4505c8d643364403055166f9249b7bbc9fc7217f1dab9201fdf77d7c041
Markdowne5bf69dfb4093b4e16b81bbab9acecf16aceb77d14555bf67719d33a01867d84
PDF
Publication page30d9a2e622a4d39ab60a110df2cc30b5fe3f1f6be792261b74838716a2f0a8db
Manifestfd62ab4c8abb4d6e1b039e8560958c153cd588050b247fb543215aa86f403708

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
SignatureTCg7KdbA+YLeMQgx8B8QO5hftHez8CKstLEiAbYvHDQXPTkt8Z3b1JNaNqYHS3sK3/0xGgKGQtvk5v73//MGDg==
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

2026-09-17T11:04:46.174389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048217
observed 30d9a2e622a4d39ab60a110df2cc30b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.152533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048217/manifest.json
observed fd62ab4c8abb4d6e1b039e8560958c15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.093624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048217/publication.md
observed e5bf69dfb4093b4e16b81bbab9acecf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.040715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048217/publication.txt
observed 8bebf4505c8d643364403055166f9249...
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.