OpenTechnical

OT-2026-000035072

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000035072) never changes.

Identity and time

Publication numberOT-2026-000035072 · never reused
Internal UUID01a0ae76-6a1c-7f26-984a-283f680bc065 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035072
StatusPUBLIC

Content hashes

Canonical texteb81adec552af92c11259b7739ebf29d0f1e4f95625632910211eabf337c129a
Markdown1cb835a527336d20bb3a341352a5b7f06fa6d8a40e08bda9e9d10a6fdb4710b0
PDF
Publication pagef29906c53dc4c27828418d832c987c97ae076692231720784cebac0e99598f5b
Manifest126bec74e65377ae2fd9a0410c6cacd1b0c858d382109e214d536435955bae97

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
Signaturew4aSIgGLJT3FhCrtJ3ln9jtYlFtttipuvo9eX4ldV9UXm+OhzAPaG2D99tCt8DvKnKNT92BCtZFzXjgnC79CCA==
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

2026-09-17T11:28:08.145094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035072
observed f29906c53dc4c27828418d832c987c97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:08.127941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035072/manifest.json
observed 126bec74e65377ae2fd9a0410c6cacd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:08.109257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035072/publication.md
observed 1cb835a527336d20bb3a341352a5b7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:08.091869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035072/publication.txt
observed eb81adec552af92c11259b7739ebf29d...
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.