OpenTechnical

OT-2026-000020351

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed 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-2026-000020351) never changes.

Identity and time

Publication numberOT-2026-000020351 · never reused
Internal UUID01a0ae6f-437b-7d7f-941d-45563e6141aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020351
StatusPUBLIC

Content hashes

Canonical text7aa5b75e13b4e6e5b774869533f7c6db4f67e1f4848307fa59679e2187bfc99d
Markdown364205dfeb4b91ba41f5b88df0694eefe7acee396f354f49cb000fb92d13950b
PDF
Publication page7dee6019c72083c4d92747b339dc7ac796564bcef019f01d09fcb574bd8270d1
Manifest6c1ba9e9358f57626f7bb4ece9f73262b76441fafa0b2b27751a7adb132022a5

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
SignatureQurS5l/T5t8kuWcJIbpM6HADslooQ/2yN/fpflxaTOKY2BJyiizPb8+etyi0xpYl0n17K4V+FEQMHk4PIzmECw==
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

2026-09-17T12:00:08.488432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020351
observed 7dee6019c72083c4d92747b339dc7ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.465448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020351/manifest.json
observed 6c1ba9e9358f57626f7bb4ece9f73262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.441132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020351/publication.md
observed 364205dfeb4b91ba41f5b88df0694eef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.418971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020351/publication.txt
observed 7aa5b75e13b4e6e5b774869533f7c6db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:18.658352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020351
observed 7dee6019c72083c4d92747b339dc7ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:18.639631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020351/manifest.json
observed 6c1ba9e9358f57626f7bb4ece9f73262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:18.622239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020351/publication.md
observed 364205dfeb4b91ba41f5b88df0694eef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:18.606146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020351/publication.txt
observed 7aa5b75e13b4e6e5b774869533f7c6db...
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.