OpenTechnical

OT-2026-000054433

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000054433) never changes.

Identity and time

Publication numberOT-2026-000054433 · never reused
Internal UUID01a0ae86-1282-7c43-bfc3-2827b75617dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054433
StatusPUBLIC

Content hashes

Canonical text32021ea8128f5e5309703d2db111ef025709f96365cbfbd9b54339947c41df49
Markdownb25fbbadf9960981a4099ac36451e24ec022a6a9437e6e61ad114443c7cf0699
PDF
Publication pageb7f83785ce63f094f0203ce1ac5b61ee952a64f4500acdc4140accdcad153543
Manifest7c6982a78a295d4999729d1ef7a56d44b37d2839864b442b6529ab639124e407

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
SignatureDD3uQdCHUpgr0n7quCQH/2//qTdrqTwo/sx47C4UDGbxqYa4EMiOyQ2jtd/S2wkGRsT3yY7eDE0QeqWRI+8MAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:24.989592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054433
observed b7f83785ce63f094f0203ce1ac5b61ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:24.971761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054433/manifest.json
observed 7c6982a78a295d4999729d1ef7a56d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:24.951658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054433/publication.md
observed b25fbbadf9960981a4099ac36451e24e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:24.931426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054433/publication.txt
observed 32021ea8128f5e5309703d2db111ef02...
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.