OpenTechnical

OT-2026-000088387

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000088387) never changes.

Identity and time

Publication numberOT-2026-000088387 · never reused
Internal UUID01a0ae9b-5d27-7b28-86bf-4209cb3aef46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088387
StatusPUBLIC

Content hashes

Canonical texta85ab38f1d199e3d35f5808c16c5b9bbb660da862d446c97f9bdd82862f37da9
Markdown2700a051b7d385d2436fb6bb59f9a84e241560d29189bb9082b0675161999120
PDF
Publication page36ae445da6d2e471d0411a20c58bfade44ab15049a19788bcfa8dd0a3c6a3683
Manifest381a14a5afbc54554ef190bd1d45b4dfd86e816db01bcb60256873dd52ee8b01

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
SignatureVmO4w8pYWmE9y78H4MFLcpY8bEd21C18woljymqeX9HxUWdO5vDeFQLVy78s8miY9Sbfo6vn+bXt2EBKN3pXCA==
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

2026-09-17T09:48:44.695644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088387
observed 36ae445da6d2e471d0411a20c58bfade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:44.677916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088387/manifest.json
observed 381a14a5afbc54554ef190bd1d45b4df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:44.659550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088387/publication.md
observed 2700a051b7d385d2436fb6bb59f9a84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:44.641970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088387/publication.txt
observed a85ab38f1d199e3d35f5808c16c5b9bb...
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.