OpenTechnical

OT-2026-000015016

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000015016) never changes.

Identity and time

Publication numberOT-2026-000015016 · never reused
Internal UUID01a0ae6d-d096-7144-a831-333765a53aac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015016
StatusPUBLIC

Content hashes

Canonical text4f6b306c491d4a6f44bcf526ae2b36408a65e6dd078d98483e56f0212a7280ea
Markdown5a6836ea60a2ced0bbf8f04be0fa5c9eb9f3ed108afd8c127440bb4f004151a6
PDF
Publication page3b2f6f6d8dcb96c5bae1cd52580dbe8d08c0e61ec6330163571dfe4f89647efa
Manifest0569261c8b7ed0d671c8e1823895c6e1fdb169b8456bfbff6a82e28290065c34

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
SignaturesZ79DM3i605wB2keC1O8mzGlmGGpDPy8dS8LeyuHaUNbtYBI7m4EF0SFQeEOcOBcfc311YYJZjf2oIKTw9xaDQ==
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

2026-09-17T12:06:59.307010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015016
observed 3b2f6f6d8dcb96c5bae1cd52580dbe8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.288160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015016/manifest.json
observed 0569261c8b7ed0d671c8e1823895c6e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.268832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015016/publication.md
observed 5a6836ea60a2ced0bbf8f04be0fa5c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.250655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015016/publication.txt
observed 4f6b306c491d4a6f44bcf526ae2b3640...
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.