OpenTechnical

OT-2026-000054541

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold 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-2026-000054541) never changes.

Identity and time

Publication numberOT-2026-000054541 · never reused
Internal UUID01a0ae86-1283-760d-8e92-58c0a5f31e45 · 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-2026-000054541
StatusPUBLIC

Content hashes

Canonical textb736ff8f0ff4bafeeb64d0261b702e094ca83415e0097eddebc8ca8d3f82ec45
Markdown4b2357b949551605ab1131d71ccc22c85ee0dc86533ae854656c0d450772d9d2
PDF
Publication page93e00adbd5219dfe6512cc0dc6f54644caf3c31b0cc4a54626e8b57b8c87ffe2
Manifestdd5259f1acfce4928ae6040241fa1846a6451ffa64fa899317742cc10de08704

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
SignatureZ2/tKebfJO5ZPcAcFlavgGE3mdB31+Ab/2Uk6FC5XdBsuTM3nnEnCj9W4Y+pNWBM68E7og29KTRw4HoIbNGMAA==
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

2026-09-17T10:53:34.497805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054541
observed 93e00adbd5219dfe6512cc0dc6f54644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:34.476795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054541/manifest.json
observed dd5259f1acfce4928ae6040241fa1846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:34.459061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054541/publication.md
observed 4b2357b949551605ab1131d71ccc22c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:34.438850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054541/publication.txt
observed b736ff8f0ff4bafeeb64d0261b702e09...
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.