OpenTechnical

OT-2026-000078825

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078825) never changes.

Identity and time

Publication numberOT-2026-000078825 · never reused
Internal UUID01a0ae95-ccbd-7f0f-a512-d1b8c53e9e24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078825
StatusPUBLIC

Content hashes

Canonical textc9c3b154b850ba57a9387aa63295be8e0733a4fd486d2a549b9c4df28a435183
Markdownb81fae8cd45590f87df5cf0712674558756ce52da6f9f151b29d4df99447d297
PDF
Publication page84213d3a8e8c4cbc43a70812e1b456dfe56d42c854f2741582160ce5c98da89f
Manifest966ae19d2f8bc2541e8f5cf11992b234eb2b7048e94e7f252b053e19d977d1ee

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
SignatureyfETzH68YCqWCgkjdCw9Y7hLJxcGAunkiIzoXYepFoRvPW5ke4KkaaeAaHYWckz5fhj4mAORPiDVdE897md8Aw==
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

2026-09-17T10:05:37.403608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078825
observed 84213d3a8e8c4cbc43a70812e1b456df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:37.385099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078825/manifest.json
observed 966ae19d2f8bc2541e8f5cf11992b234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:37.366717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078825/publication.md
observed b81fae8cd45590f87df5cf0712674558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:37.346293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078825/publication.txt
observed c9c3b154b850ba57a9387aa63295be8e...
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.