OpenTechnical

OT-2026-000022752

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000022752) never changes.

Identity and time

Publication numberOT-2026-000022752 · never reused
Internal UUID01a0ae70-46ea-7d3f-86f2-a4431ee6dc02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022752
StatusPUBLIC

Content hashes

Canonical texte680f225c4f5a49ffbb90fac3dacfb560361e850521f87ba8349ef36e9b0e97b
Markdownf8ba1292b2c79b9dcdb1ad5fb7bbed927f97fa16ede0f432742a954432da5e12
PDF
Publication page4ad37997cb9524fc8049245e7e23606fef207b04480f7d587a3f023d02f487f9
Manifest0f3c209d58b620a9856b94853a3da971573825652084b88bee2b03b4cab817df

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
SignatureIEI9IKGQTXZ2uiOSh2xalIk2NWcQW0GrZOZ9KLd95JNi5TwiLyOJFh8vpGM8+zPvIIXqlLZvHo20NkshAu1eBw==
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

2026-09-17T11:52:15.741534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022752
observed 4ad37997cb9524fc8049245e7e23606f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:15.721410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022752/manifest.json
observed 0f3c209d58b620a9856b94853a3da971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:15.701005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022752/publication.md
observed f8ba1292b2c79b9dcdb1ad5fb7bbed92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:15.683084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022752/publication.txt
observed e680f225c4f5a49ffbb90fac3dacfb56...
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.