OpenTechnical

OT-2026-000085281

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000085281) never changes.

Identity and time

Publication numberOT-2026-000085281 · never reused
Internal UUID01a0ae99-aaa9-785d-9798-48b8f9c2197f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085281
StatusPUBLIC

Content hashes

Canonical text1de5e01e46422edbdeb920b2e30d408c6adf5f58929d9855256a1b5fc4a1d744
Markdownbccafa231195e742b741e66f40dc0dfbc53105e53aadfba35121307be17fc226
PDF
Publication page56cd8e7d2102c9147ad606d3ddb725569b4824922d67b5a202125a651e28762e
Manifest126966eb478a03ade4fc9b9ca1a9fc1c31b8b4b8d9cc6f6f3613868f3973d646

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
Signaturev5/N2Nple4Ta5sI33D8bbAM28bueLiCkBxm6bFy7Dad9POHwo/3NAm+guG1LYtuXBYALQ+0onSrRCf7t1bX/Ag==
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

2026-09-17T09:53:59.486550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085281
observed 56cd8e7d2102c9147ad606d3ddb72556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:59.469613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085281/manifest.json
observed 126966eb478a03ade4fc9b9ca1a9fc1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:59.451872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085281/publication.md
observed bccafa231195e742b741e66f40dc0dfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:59.433294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085281/publication.txt
observed 1de5e01e46422edbdeb920b2e30d408c...
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.