OpenTechnical

OT-2026-000010310

Publication integrity record

Single cup vacuum gripper, pump fed, pulsed 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-2026-000010310) never changes.

Identity and time

Publication numberOT-2026-000010310 · never reused
Internal UUID01a0ae6b-cb7b-77dd-811d-3efcd8c695fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010310
StatusPUBLIC

Content hashes

Canonical text8bce5857845d39552278f98fe96391dd2425cb9fb29bcb22ad189c7a5d7ca8ef
Markdown31fe445f22afc59cce77eacae043f1e7b15a2da1e6df1527356a05f70641b0f1
PDF
Publication pageeb834cb59e22b288fcb79efdb3b4b60c6c30a8788dc5bcf24b4835c38ed4eb20
Manifest5c0b79dc10fdec0417e534f396d1470b2a897e01059dd4956874ecc9aaaa1f75

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
SignatureYFjG4Uz25Q1OnZpn4CkRrv4JVnI6jUYGUQ4fEve2xERJRJlgKQPe8oOojBWs4sH/Fce36GbdpmphwG62uykVAQ==
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

2026-09-17T12:16:32.602436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010310
observed eb834cb59e22b288fcb79efdb3b4b60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:32.585023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010310/manifest.json
observed 5c0b79dc10fdec0417e534f396d1470b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:32.566539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010310/publication.md
observed 31fe445f22afc59cce77eacae043f1e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:32.547429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010310/publication.txt
observed 8bce5857845d39552278f98fe96391dd...
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.