OpenTechnical

OT-2026-000087103

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000087103) never changes.

Identity and time

Publication numberOT-2026-000087103 · never reused
Internal UUID01a0ae9a-9f2d-7af5-b43c-1af9ae285c9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087103
StatusPUBLIC

Content hashes

Canonical texta6e0b6a4322c61c2f95613baf9360412f9414f063061b0682d9cb57df49be156
Markdowncd6360ea43fea5e3fd66bcd939525978b7b092768801cbe5464274f23ec4be26
PDF
Publication pagef64c00aababaecade1f4fad13b5a8404fe1e43d649d1715a695081cbb7ca43e6
Manifestb02f054f36cc27a8cf6a6284cf0933958195287a94d254d5b27e3169ae52ab1b

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
SignatureZV8qKy2P7qxstoFtYUMRaW5x9rVzccIiZe3c7Dwr476EgA67i8d5hz8gz3wqr+Dp4j4WO8Z+/E06Ybw7Jo3QBw==
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

2026-09-17T09:51:21.821715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087103
observed f64c00aababaecade1f4fad13b5a8404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.804133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087103/manifest.json
observed b02f054f36cc27a8cf6a6284cf093395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.787074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087103/publication.md
observed cd6360ea43fea5e3fd66bcd939525978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.769652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087103/publication.txt
observed a6e0b6a4322c61c2f95613baf9360412...
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.