OpenTechnical

OT-2026-000009071

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000009071) never changes.

Identity and time

Publication numberOT-2026-000009071 · never reused
Internal UUID01a0ae6b-31b8-7a4e-9c16-f0883ba5e87e · 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-2026-000009071
StatusPUBLIC

Content hashes

Canonical textd99e321ebec8e37974a729ec1b51bee67d4b0a1bf3c09bca9acea1d353899d7a
Markdown1063d5f356c29f38435232f5f38d592457df4fac51127503b457ec6fd542a893
PDF
Publication pagee8faf22d2b661fe4beb62f52fb09ef0a3b9b455b44de9bc6a327defcf56949db
Manifestc982a485427fdc122321e089425cf25718a05a47886320b1ae3616230998ea64

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
SignaturexY4KHOGnx/4LvyX0T3u9RJKR6CODIkAWPSF/KVbOVhnrDrTeqevEt6Pgbqd2A4ytYxj7jwZGwtCL1R4FUCuvAA==
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

2026-09-17T12:17:44.100378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009071
observed e8faf22d2b661fe4beb62f52fb09ef0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:44.079287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009071/manifest.json
observed c982a485427fdc122321e089425cf257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:44.059550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009071/publication.md
observed 1063d5f356c29f38435232f5f38d5924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:44.040499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009071/publication.txt
observed d99e321ebec8e37974a729ec1b51bee6...
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.