OpenTechnical

OT-2026-000086417

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000086417) never changes.

Identity and time

Publication numberOT-2026-000086417 · never reused
Internal UUID01a0ae9a-2c97-73a4-826d-3f3f5ad74c3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086417
StatusPUBLIC

Content hashes

Canonical textef32259ceb67e63d0a63f5f3018ee46f5ac693c3c49dfdada00acd655272803f
Markdownffb030489217df23436f20dee559dcde026d1df557b31b3bdea201fae2e1b410
PDF
Publication page6ca59bfb1c904f62e2e63fca864f638ffd055fb3784d72887920bc6588e6daf2
Manifest4db1e112d3ba51b44ea510a88fdeb6504a0775a9928ebce3e6c7eb7f0f225446

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
SignatureKCKPOjQ/l7a1W3BpsR/0xH0cTwq3m7do0KI5nlxL8/+W7mcrZO7gqBrnRU//i0TrYNnH7gOWGlQ0Jei4oAYMCA==
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

2026-09-17T09:52:12.591057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086417
observed 6ca59bfb1c904f62e2e63fca864f638f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.574150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086417/manifest.json
observed 4db1e112d3ba51b44ea510a88fdeb650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.555624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086417/publication.md
observed ffb030489217df23436f20dee559dcde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.535749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086417/publication.txt
observed ef32259ceb67e63d0a63f5f3018ee46f...
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.