OpenTechnical

OT-2026-000023508

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line 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-2026-000023508) never changes.

Identity and time

Publication numberOT-2026-000023508 · never reused
Internal UUID01a0ae70-7269-7576-9f52-e7beab19ca7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023508
StatusPUBLIC

Content hashes

Canonical text989468035c9830d08db2f3df723de8d79ae8fba4d1a784a598ccf28689832fc3
Markdown7f2dbc81cb0238cb9641f309654486a666ea1b2c1ac9968f6978aca28c11838a
PDF
Publication page92ef1b11d07fd3af28c059e2de9c9e42f94b9520c906f1a8be86426845fc64b9
Manifeste5841d4b88f0b38b59f66b571176479fa09025b8e11e9479a74a3416d14e2c10

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
SignatureepBQwCtibQzY9ryZxFfyajFM9Xumr073W2QcWU5fi8Wq8xq8YxyZoE1FIFmli+cVzxR3taSayk9WqIBLbpCvBA==
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

2026-09-17T11:51:44.581865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023508
observed 92ef1b11d07fd3af28c059e2de9c9e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.563745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023508/manifest.json
observed e5841d4b88f0b38b59f66b571176479f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.547457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023508/publication.md
observed 7f2dbc81cb0238cb9641f309654486a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.529949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023508/publication.txt
observed 989468035c9830d08db2f3df723de8d7...
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.