OpenTechnical

OT-2026-000016263

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000016263) never changes.

Identity and time

Publication numberOT-2026-000016263 · never reused
Internal UUID01a0ae6e-2d11-7264-8ac9-03a967cd43e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016263
StatusPUBLIC

Content hashes

Canonical text48fe371e29ac88f3fcbf625cd4004f372f280c35c0854dbd109a3aac262080bc
Markdown3c809da2875f2d57027adec385f94d67cc1e402a0ca9bda7901ed4ac1762eb0a
PDF
Publication pagedcaff6aad9d9ea01609e13a8b9ea18d8dc10ff95b9da0d4fa61f587b61bebeea
Manifestccc4a6edd76053f71793e88c4d3de5e8a237a6a97f3afa64740c5e7294853c28

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
SignatureYB+PKOiCfNPGpVTZsz0ZwYmkCu3sPTi6euWK53wVMJTeg7wXFYV8USGHeIFGgHn1DZVbz3DTxzU5j/z1bX96BQ==
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

2026-09-17T12:03:44.421702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016263
observed dcaff6aad9d9ea01609e13a8b9ea18d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:44.403180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016263/manifest.json
observed ccc4a6edd76053f71793e88c4d3de5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:44.384763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016263/publication.md
observed 3c809da2875f2d57027adec385f94d67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:44.368476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016263/publication.txt
observed 48fe371e29ac88f3fcbf625cd4004f37...
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.