OpenTechnical

OT-2026-000026964

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-2026-000026964) never changes.

Identity and time

Publication numberOT-2026-000026964 · never reused
Internal UUID01a0ae72-3453-77b2-8118-059000708dcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026964
StatusPUBLIC

Content hashes

Canonical text4e0b396e0eea3fc6ffbd23143d32266c128b17f05a41eecf61a4e231b744df65
Markdownae287acdc8ccefa24e9dce9427a27f18fba0f2232287cab56e0e8d533193c5a7
PDF
Publication pagea44f65cfea88ee2bccf511c6ac138a0c2c46dd73da4aecc0362479561b487e44
Manifest86fb6e2bf22c4c8c9c7b97912aa2479df31768cb4ca6f16765f50b867913b3c0

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
SignatureLLSs12u3CWY1ovVUUY0S/41yvcS+gg9Vgnq/tN4XU4+VLpAqmXnY9pWukYSYkpYLO71rYEzAiCqI7vS6JT5xBQ==
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

2026-09-17T11:43:35.204175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026964
observed a44f65cfea88ee2bccf511c6ac138a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.187359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026964/manifest.json
observed 86fb6e2bf22c4c8c9c7b97912aa2479d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.169325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026964/publication.md
observed ae287acdc8ccefa24e9dce9427a27f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.151434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026964/publication.txt
observed 4e0b396e0eea3fc6ffbd23143d32266c...
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.