OpenTechnical

OT-2026-000051633

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000051633) never changes.

Identity and time

Publication numberOT-2026-000051633 · never reused
Internal UUID01a0ae83-7c82-7b7c-bd37-c8a2a5245cec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051633
StatusPUBLIC

Content hashes

Canonical text119c3184fcccf4fc0fa09f7b8e9c91fdd23b1338dd2a8048c1fffb13584f3cd3
Markdown6d37c7bc8035d9ea810bb0bed6c2bbcad01b55385023ce93beff2d71a46914ad
PDF
Publication page7827e9418ed3f2eda9304a023b2758ad7f3c931fdb7b368dc561e07937185368
Manifest6baa3ef635cd36281a36fbef8e8d39534147fa9bf52483464ef59ea654e23170

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
SignatureWjT5223kczE2W/shsNKYGpmL0TmsvT3IoNXLZTM2skibX7ImEcRW5Rd/AsZwxqS74Yaa0WJIPCjJkYCoFMliBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:29.533619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051633
observed 7827e9418ed3f2eda9304a023b2758ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:29.516270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051633/manifest.json
observed 6baa3ef635cd36281a36fbef8e8d3953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:29.498586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051633/publication.md
observed 6d37c7bc8035d9ea810bb0bed6c2bbca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:29.480907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051633/publication.txt
observed 119c3184fcccf4fc0fa09f7b8e9c91fd...
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.