OpenTechnical

OT-2026-000027232

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000027232) never changes.

Identity and time

Publication numberOT-2026-000027232 · never reused
Internal UUID01a0ae72-3454-7e51-9ae6-f201b0137857 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027232
StatusPUBLIC

Content hashes

Canonical text079c9a5d9c3a3fc4c426f13bb781144467bf2fcb20400cd37baabe484cf3ae91
Markdown79dd004f2ca6939d2c32ce74b6c6c6ea1b8ed2d5038c1afbbb2b12ba1b91659d
PDF
Publication pagee64265b9fc97cddcf4b07a20c5a6c43283b7e0c829274cfe0fe1e612281adac8
Manifestbbad8ac7a881ce8e9df0e9ea77319adee65f886eae7c9c2a3f33d7c04bfd7cd6

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
SignatureJyVxXoc/fCp0amX81Qaj1JXJxrcMMnbdNMNtSNdIv2kRJqAGxb6O885Ak5wKaC9hxgkBaMRv97/8YCT83GXpDg==
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

2026-09-17T11:44:07.565856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027232
observed e64265b9fc97cddcf4b07a20c5a6c432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.549109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027232/manifest.json
observed bbad8ac7a881ce8e9df0e9ea77319ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.532491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027232/publication.md
observed 79dd004f2ca6939d2c32ce74b6c6c6ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.512671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027232/publication.txt
observed 079c9a5d9c3a3fc4c426f13bb7811444...
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.