OpenTechnical

OT-2026-000080646

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000080646) never changes.

Identity and time

Publication numberOT-2026-000080646 · never reused
Internal UUID01a0ae96-7e79-7030-b22b-5b9967a0d714 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080646
StatusPUBLIC

Content hashes

Canonical textb4d60bd0fd44d515f5359528c011fb86beab2f1694bf1bc460ec2ff6d3551be5
Markdown2cfd98ed29ff9bb32c520a0d1dbbde1992cd5187be61f337a4a15692a02a4832
PDF
Publication pagea197efe2ada36d058fa9822c91e8081f2e1868181bc73fc34c263b8334cb4756
Manifestf33466c3e2fe2441b9dd917b05a098b2d7c2a42ac112198e7961cf0e7eb634f3

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
SignaturejVWErIPFtFUAfYwoPRg86YQPpSsGZvXAby/XLIbXCe6sD1dv1AU7todj7UcQr5a3Dy8L0Ep2Zx7JsVRB67ZlBQ==
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

2026-09-17T10:03:18.764721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080646
observed a197efe2ada36d058fa9822c91e8081f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.742643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080646/manifest.json
observed f33466c3e2fe2441b9dd917b05a098b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.716289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080646/publication.md
observed 2cfd98ed29ff9bb32c520a0d1dbbde19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.692860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080646/publication.txt
observed b4d60bd0fd44d515f5359528c011fb86...
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.