OpenTechnical

OT-2026-000009197

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000009197) never changes.

Identity and time

Publication numberOT-2026-000009197 · never reused
Internal UUID01a0ae6b-31b9-7bd7-906e-0c7e2f01af07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009197
StatusPUBLIC

Content hashes

Canonical text8b8ced3f61ca0d9b52842e272d1455abe0033416d74d3e665a5729ac3c5067cb
Markdown1c25f2092ce8ef2a083285614c9e6188540cc368a9a4eae67a5874b4130d7659
PDF
Publication pagefff635a5b24c7b2036e15e30058439a51fe2ca8002bb25ab5d651f30a4d02275
Manifest122ce5a578dabdfd1ce8a041fab92802281131efb8e2e9046948cebf0a099892

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
SignatureHw4c/J24ox/rTVLRzkfJDNClkJmsSuNzGBXhFWdXO3BOaPi40NS1Pcqu1gSPwIXIuLD/8tuK6/lZ6C975pJnCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:54.917558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009197
observed fff635a5b24c7b2036e15e30058439a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:54.899128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009197/manifest.json
observed 122ce5a578dabdfd1ce8a041fab92802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:54.878007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009197/publication.md
observed 1c25f2092ce8ef2a083285614c9e6188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:54.859654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009197/publication.txt
observed 8b8ced3f61ca0d9b52842e272d1455ab...
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.