OpenTechnical

OT-2026-000102690

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000102690) never changes.

Identity and time

Publication numberOT-2026-000102690 · never reused
Internal UUID01a0aea4-858b-75a8-97cb-9fd6c3a5ed6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102690
StatusPUBLIC

Content hashes

Canonical text05c3dc725dda241dc6abe260d92ade3e4dd4f89668c1930d03aa66ae1022e113
Markdown53bc744aae48895e3f56519a7e20afdcaae61a3f72a6c01a0eae4ee628c3f0ab
PDF
Publication page397213c8ddf8bd3642d3ea8c86f36a2d10f1e9eb5fd6039a30b6d33ef6a0aef5
Manifest52fc09996b987be99957fabdeb9b4ad5984f4b078304a3ad54390616e20e9cc8

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
SignaturePcg+iJ82JJrWF1CD4LyBgkLmyyCx14Z6ZVgYwgmd29zTce2OaTIEMMF7Qcg432gfylfW47N8JMudXaONTV8jCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:11.907469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102690
observed 397213c8ddf8bd3642d3ea8c86f36a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.887880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102690/manifest.json
observed 52fc09996b987be99957fabdeb9b4ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.868531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102690/publication.md
observed 53bc744aae48895e3f56519a7e20afdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.850944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102690/publication.txt
observed 05c3dc725dda241dc6abe260d92ade3e...
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.