OpenTechnical

OT-2026-000014487

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000014487) never changes.

Identity and time

Publication numberOT-2026-000014487 · never reused
Internal UUID01a0ae6d-b27b-7656-99aa-c3624e33c113 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014487
StatusPUBLIC

Content hashes

Canonical texteaf70328e30ee3f4c2f31cf3cbdf1ca2506298d43b1d1903bb3c916c2ca53df0
Markdown47cdc05bb82d9ddfc460d1e3c55aec98936aa2c6d6049bfa20ac5f7fffa13bb5
PDF
Publication page004e174f378f893a50b6db1f8100fffe989da6970531aa53f08d979666b06a04
Manifest6cf753d22f32b309980076bd46b1ac11437f7fcde728c9e7c6b509dd4e9323e5

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
SignaturezisPwCJ1OHFEI+kzyiJIBHdA2K6dgppDt4+TznecX2uYUgelAu+yfw4JW26wwwc55JMISE+IUXJYQOFYyv1BAg==
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

2026-09-17T12:10:18.596549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014487
observed 004e174f378f893a50b6db1f8100fffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.577765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014487/manifest.json
observed 6cf753d22f32b309980076bd46b1ac11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.559692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014487/publication.md
observed 47cdc05bb82d9ddfc460d1e3c55aec98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.541946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014487/publication.txt
observed eaf70328e30ee3f4c2f31cf3cbdf1ca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.335882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014487
observed 004e174f378f893a50b6db1f8100fffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.317582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014487/manifest.json
observed 6cf753d22f32b309980076bd46b1ac11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.297757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014487/publication.md
observed 47cdc05bb82d9ddfc460d1e3c55aec98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.278905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014487/publication.txt
observed eaf70328e30ee3f4c2f31cf3cbdf1ca2...
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.