OpenTechnical

OT-2026-000079094

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000079094) never changes.

Identity and time

Publication numberOT-2026-000079094 · never reused
Internal UUID01a0ae95-ccbf-7e57-bde7-de4c3d14be63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079094
StatusPUBLIC

Content hashes

Canonical textebf0612ce5b408be8940d9b7c778d8f4e180b837c2b85e09c83d848561498ce6
Markdown6c57eb23e2396f6b6aae18d12b4cc757cbd7d05db18d5428871f9139b9393a5c
PDF
Publication page228d47ee4a0fa46e1000d61e27d0f727289417c4ebcda1bbbff60410096b9069
Manifest6141de697e69368c6389ff4eb09472472e623a0dae7bbde2603b0f24bfa52ae9

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
SignatureNmgW01QTGipXWGMz0iyxqLCBrV/6QrgVOi6ikH7DLt/gZqn6BjdAZvuuYvER/UOs4OeGCnksVQtUseddOEPfBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:56.319725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079094
observed 228d47ee4a0fa46e1000d61e27d0f727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.302139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079094/manifest.json
observed 6141de697e69368c6389ff4eb0947247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.284519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079094/publication.md
observed 6c57eb23e2396f6b6aae18d12b4cc757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.265409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079094/publication.txt
observed ebf0612ce5b408be8940d9b7c778d8f4...
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.