OpenTechnical

OT-2026-000045936

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down

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-2026-000045936) never changes.

Identity and time

Publication numberOT-2026-000045936 · never reused
Internal UUID01a0ae7d-8f89-7d8f-9d3a-57d9e0a61727 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045936
StatusPUBLIC

Content hashes

Canonical text8dea088f0a1fa6746c3400823ea4dd3209d81ccbeff91e5ef26d5409e16239b7
Markdown771a2b461a846bf99b809afe1e64371d6b5a56fae19c4d5e9082893e2f89361f
PDF
Publication pagea32ecc522c22781d80d4d15eb7fdc8f9600d5201791586219db34f99cae43a88
Manifest6065d634f877e4a9e39d8e5f1f527672445a3618200fb1b9ce23063dbd44faa4

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
SignaturegVBT7CIJbcx3ID7K4DPG+6HVRej4iyE091t/kdc0LwamR+xdFmvAA9PoPW7mq6eHeEYuhLoabequ7SWQqlKeDQ==
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

2026-09-17T11:09:50.727708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045936
observed a32ecc522c22781d80d4d15eb7fdc8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.707536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045936/manifest.json
observed 6065d634f877e4a9e39d8e5f1f527672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.685527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045936/publication.md
observed 771a2b461a846bf99b809afe1e64371d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.664367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045936/publication.txt
observed 8dea088f0a1fa6746c3400823ea4dd32...
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.