OpenTechnical

OT-2026-000016395

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000016395) never changes.

Identity and time

Publication numberOT-2026-000016395 · never reused
Internal UUID01a0ae6e-2d12-746e-a7ea-3fca6cc17c31 · 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-2026-000016395
StatusPUBLIC

Content hashes

Canonical text3f60c43dc7d4ff511e2b9cd39343588e3f592717ca65aac5f0f51d21b93e3994
Markdown0a185b2244c9113bb79f60f07c5ba38f1a0d3b94e7ba2cc7b8af44c03ff44ac8
PDF
Publication page48376456833888412ed94957dd8d15948285a908556fae053b43b3c1922ac453
Manifestccd2477805d1d39110c3f67886007646c03a622051477b5051a88e1a14688feb

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
Signaturew9Zvkn4M4mrtDFINxAM2nHapaNEtl/bmPGPHU3Gkpv0T3lOXG8M36GfZ0lkm0EdbC8D/G+preI0+UJkxX/cqDA==
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

2026-09-17T12:04:28.673542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016395
observed 48376456833888412ed94957dd8d1594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.657487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016395/manifest.json
observed ccd2477805d1d39110c3f67886007646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.640515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016395/publication.md
observed 0a185b2244c9113bb79f60f07c5ba38f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.622078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016395/publication.txt
observed 3f60c43dc7d4ff511e2b9cd39343588e...
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.