OpenTechnical

OT-2026-000041161

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000041161) never changes.

Identity and time

Publication numberOT-2026-000041161 · never reused
Internal UUID01a0ae79-b142-7b89-956a-09cb3e01308b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041161
StatusPUBLIC

Content hashes

Canonical textfea5ac9f099107b5fced3a3da9581d96340510d52431c78e1553a95bad775b57
Markdown0fe38d1c1d183d96db0160f6159e817c93cc79730e98095c93d0c76bc0d64cba
PDF
Publication pagec797506c7f2cd60b0a19beb1645d86656ddff467b53cd64bc818d5a60aac460d
Manifest1e69a56fedbaf5807fc1ce321de6f8cfda56c5a2cc8d86520412e0c8a98984cf

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
SignatureIw/b1hpgDns4Xyyjz2lGtl+EbihoZB78xUqFmqnauCYlOcI9jFPJZahIksNQ8AbUmNZPmUaBbq5y1o6hIRXGDQ==
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

2026-09-17T11:17:06.313809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041161
observed c797506c7f2cd60b0a19beb1645d8665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:06.295719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041161/manifest.json
observed 1e69a56fedbaf5807fc1ce321de6f8cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:06.279590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041161/publication.md
observed 0fe38d1c1d183d96db0160f6159e817c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:06.262037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041161/publication.txt
observed fea5ac9f099107b5fced3a3da9581d96...
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.