OpenTechnical

OT-2026-000030577

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000030577) never changes.

Identity and time

Publication numberOT-2026-000030577 · never reused
Internal UUID01a0ae73-e505-7502-923d-01adac791321 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030577
StatusPUBLIC

Content hashes

Canonical textc1b2d4789914918a55ab79bd3bf23db6320e941c124df014e3c698dc5dc099ad
Markdown4bd73b3c0bf906bfffb3f0de7d9edd7a556bc22e35708c45e54bda94849bd05c
PDF
Publication page5c2b6f06d94dbea1b4940800f00a5c1f9d5458382bbf030e76d16b4f59637fcc
Manifestbda8bec0b218e71f2923f1de56c78f9dd4c77f8d92861b60579774aa77fae0f6

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
SignatureeRSqu9j4igwLrHXBjzYsa9F7P40ZHL1VpIiKt2CR6gzpN/kBsTn1yx8cQFJypoUkJvL0C6OsmIf9l0l3I4yhBA==
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

2026-09-17T11:38:27.091709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030577
observed 5c2b6f06d94dbea1b4940800f00a5c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:27.074158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030577/manifest.json
observed bda8bec0b218e71f2923f1de56c78f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:27.055524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030577/publication.md
observed 4bd73b3c0bf906bfffb3f0de7d9edd7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:27.039666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030577/publication.txt
observed c1b2d4789914918a55ab79bd3bf23db6...
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.