OpenTechnical

OT-2026-000103502

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, 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-2026-000103502) never changes.

Identity and time

Publication numberOT-2026-000103502 · never reused
Internal UUID01a0aea4-e461-7227-9664-872715044e47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103502
StatusPUBLIC

Content hashes

Canonical textc4f78f6c979293415e5f02e67f0f1af2834a5db42a0e8697e1de239b020692ad
Markdown2d6a4a1f2798ce90e06cbff1382c6d58c555015a5883abfaaa54ab20bd9a34c7
PDF
Publication page2985b6857ac6a2b8df3ec039de352a21145bc8e3deff2457eca4554d77ad7e81
Manifesta43dd72bfb27dc082e9091efd64b4ec52364afe5b4827efc31ac972384e784e5

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
SignaturefrjsgT09cNlsWKfSGfD2Xz+shYHRMgGtyEDhW8WrGZWsKVGAjiY1K9qlw+RE/StBWHgmN2TmrIZwz+h5os9KBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:16.139051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103502
observed 2985b6857ac6a2b8df3ec039de352a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.122698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103502/manifest.json
observed a43dd72bfb27dc082e9091efd64b4ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.104719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103502/publication.md
observed 2d6a4a1f2798ce90e06cbff1382c6d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.088159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103502/publication.txt
observed c4f78f6c979293415e5f02e67f0f1af2...
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.