OpenTechnical

OT-2026-000025668

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000025668) never changes.

Identity and time

Publication numberOT-2026-000025668 · never reused
Internal UUID01a0ae71-9bc9-7e20-a7a7-821d2994a425 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025668
StatusPUBLIC

Content hashes

Canonical text888c3d18adbbf438ca230c13fe10d492bcc492fb43cf192c351cf7ed245f4d0a
Markdown5bc9d178bff2f486c1a2c8dd0beaa613ac8c643d273ad85198c7266dc560f14f
PDF
Publication pageeebf57621b5269a8752c092ba9023d0104b8acfd2d577683af0a035e671ddf11
Manifest359cba3cca66e1c4651f0f976a07ed244574bd3ba68aab223d8b72966112082e

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
SignatureFQfpnMotlAMIH5XcF3wnT9erkrbPjpWe7APFiS2hVbLLYAp39tMGJZIVR0vyTD6BAcWCeDqgZzrwp/1hywJ6BQ==
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

2026-09-17T11:46:52.454562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025668
observed eebf57621b5269a8752c092ba9023d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:52.426779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025668/manifest.json
observed 359cba3cca66e1c4651f0f976a07ed24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:52.408832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025668/publication.md
observed 5bc9d178bff2f486c1a2c8dd0beaa613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:52.391777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025668/publication.txt
observed 888c3d18adbbf438ca230c13fe10d492...
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.