OpenTechnical

OT-2026-000010618

Publication integrity record

Single cup vacuum gripper, single stage ejector, pulsed 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-2026-000010618) never changes.

Identity and time

Publication numberOT-2026-000010618 · never reused
Internal UUID01a0ae6c-0ee8-7835-b492-367e9c57cf0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010618
StatusPUBLIC

Content hashes

Canonical textb92ffd28052b928ffdee536a18861527c74d993a02cfd4f9502e452f35c130c2
Markdown4ec6035bcb0323803eff31f1eaeaedef7a843b4c9c4973d42dabe353b6c9ed1b
PDF
Publication page33fdea65ef24d189085dc7c54613ed512b1d78bf2539df32e752f2471ade0f20
Manifest09883af0ec7e8fcb3bbf97edae4c7e13a6163c21826561db00c217bc1e8ce951

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
SignaturemlsxHpKzVpFxBkFS5Nv2nus1e43ooTNgI8YAZtx2ABc2ZwsE+JC7xiHr4BmcLij5jLcYfpl4tN90E0BV6Xz7Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:48.662828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010618
observed 33fdea65ef24d189085dc7c54613ed51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:48.644956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010618/manifest.json
observed 09883af0ec7e8fcb3bbf97edae4c7e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:48.626350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010618/publication.md
observed 4ec6035bcb0323803eff31f1eaeaedef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:48.607152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010618/publication.txt
observed b92ffd28052b928ffdee536a18861527...
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.