OpenTechnical

OT-2026-000032532

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000032532) never changes.

Identity and time

Publication numberOT-2026-000032532 · never reused
Internal UUID01a0ae75-106f-7a95-b405-e8bcf450450b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032532
StatusPUBLIC

Content hashes

Canonical text1eff1553c8d6c37f6f2e78c86dc7b77d72454e9564664f6c6cef2223d6eab158
Markdown1c7022f150e4a33beeb58fee9de7d2422ee01e1c0a7d9bc83426c308e84fd45a
PDF
Publication page4fe40665607d0ec3588c8b8a148da5ab0f637e6c0cfa5a9abaa86700205489f0
Manifest03180e41ea03e6c90c65d6788183419c8c2f06a18034fad08dd313ec155f9fd8

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
SignatureJ+2CnfxfvUGzJbwctjutlue06OKJd67wcnhz+Bh561zhKdAexKwnUX0t+wLUyQ+pe6UYQMH7hGJsOeAjatmwBw==
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

2026-09-17T11:34:05.521971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032532
observed 4fe40665607d0ec3588c8b8a148da5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.504669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032532/manifest.json
observed 03180e41ea03e6c90c65d6788183419c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.486615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032532/publication.md
observed 1c7022f150e4a33beeb58fee9de7d242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.468112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032532/publication.txt
observed 1eff1553c8d6c37f6f2e78c86dc7b77d...
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.