OpenTechnical

OT-2026-000086694

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000086694) never changes.

Identity and time

Publication numberOT-2026-000086694 · never reused
Internal UUID01a0ae9a-2c99-7e82-87a0-e23874c42dcf · 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-2026-000086694
StatusPUBLIC

Content hashes

Canonical textafea75aaf579e5772a836e8f4fd8b88fd012330ca8f7a3bba67438290e2ed7de
Markdown20cae325f62862ca3f849e291a9c8164007aa6bc9b6abd68dc3757f7da974a06
PDF
Publication pagef96ccec9af160473410cf6dc34cfbaa7e59635f992682809210b6bea22e8266a
Manifestc815eb404c8b584e99f5b0d84587e39589d6322c49de895560f49eb562998a53

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
SignatureMVBrHit2oyQUtsLR4DfZa26X6gLlKxKZyDuGPEevI2nnlNvJD37SiAEi53aVjS7AoR0upLTmvYKt7rk4EP3DAg==
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

2026-09-17T09:52:33.849074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086694
observed f96ccec9af160473410cf6dc34cfbaa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.831326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086694/manifest.json
observed c815eb404c8b584e99f5b0d84587e395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.812757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086694/publication.md
observed 20cae325f62862ca3f849e291a9c8164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.793756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086694/publication.txt
observed afea75aaf579e5772a836e8f4fd8b88f...
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.