OpenTechnical

OT-2026-000046027

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000046027) never changes.

Identity and time

Publication numberOT-2026-000046027 · never reused
Internal UUID01a0ae7e-0329-7117-baf5-7e1b8fa4aa7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046027
StatusPUBLIC

Content hashes

Canonical text98ded5c252c20a2ce00d7d371d782df026f620ee17c87f30c681c37a0e18a0ad
Markdownf4aad62e05c8bc477af3904b94963d9d15e5c59278793be233996fe34b20d7df
PDF
Publication pagec5510b8fd342602f0a31573791b78793132541d2d2ca94a6936a4e5a03e4d6f8
Manifest626a8548a7d5ec84c2c0396596e08cee9a55661334f65d5c107e6113144b1ac4

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
SignatureatWu01/YJ1OMksafkNlGYqMzm5++Rd3CLcz7TOtWghC6nlX5/NAKjjedE7oXoILdq2I49AgOHO0kMM7v3YhQCw==
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

2026-09-17T11:08:58.542523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046027
observed c5510b8fd342602f0a31573791b78793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.523538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046027/manifest.json
observed 626a8548a7d5ec84c2c0396596e08cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.505829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046027/publication.md
observed f4aad62e05c8bc477af3904b94963d9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.487595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046027/publication.txt
observed 98ded5c252c20a2ce00d7d371d782df0...
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.