OpenTechnical

OT-2026-000030092

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000030092) never changes.

Identity and time

Publication numberOT-2026-000030092 · never reused
Internal UUID01a0ae73-ac4a-79c1-a8c7-ab9f1c81f300 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030092
StatusPUBLIC

Content hashes

Canonical textbd19fbbe510233f7d96184a1ea454d6a3355f74bdf54f8c6e5246db590e9accb
Markdowne61ab13a2e45563d41a957c786271f64816a46a7f361a318c7c9cfdd7a58a332
PDF
Publication pagec4156f789d5d605113a14c0fa7c16450045456fe2a70f74e1f7f63e8d0365e2b
Manifestc929f51b9a1e2638f91af280b0093a1b7a921336c6c535af8005c5ab399cc0c7

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
Signature9ZMxn8Sc1UF09lelNuvsNOzAQGlxZTWgrciQbzcMizrnQdeMScpWUupjvxjDJcJgG1t0A3Y5seQ9Wh5TH2PgAw==
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

2026-09-17T11:38:50.529814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030092
observed c4156f789d5d605113a14c0fa7c16450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:50.512795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030092/manifest.json
observed c929f51b9a1e2638f91af280b0093a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:50.496506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030092/publication.md
observed e61ab13a2e45563d41a957c786271f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:50.479247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030092/publication.txt
observed bd19fbbe510233f7d96184a1ea454d6a...
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.