Pith Number

pith:4FHYKBW7

pith:2012:4FHYKBW77LVYN6K63O7NUSHNYT

not attested not anchored not stored refs pending

Critical velocity for a toroidal Bose-Einstein condensate flowing through a barrier

Augusto Smerzi, Francesco Piazza, Lee A. Collins

arxiv:1208.0734 v2 · 2012-08-01 · cond-mat.quant-gas

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FHYKBW77LVYN6K63O7NUSHNYT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:55:23.356491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e14f8506dffaeb86f95edbbeda48edc4cb04f55d15144665cbc305573cdf138c

Aliases

arxiv: 1208.0734 · arxiv_version: 1208.0734v2 · doi: 10.48550/arxiv.1208.0734 · pith_short_12: 4FHYKBW77LVY · pith_short_16: 4FHYKBW77LVYN6K6 · pith_short_8: 4FHYKBW7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4FHYKBW77LVYN6K63O7NUSHNYT \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e14f8506dffaeb86f95edbbeda48edc4cb04f55d15144665cbc305573cdf138c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59f9cf794339d4b9658c2ef15e84663c35cb8a49592919ffad6dcaa36140dbdc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2012-08-01T19:12:39Z",
    "title_canon_sha256": "240aadb5d745856ff98e1a3107a6746c211deb104d843ed1eae6301ac595030f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0734",
    "kind": "arxiv",
    "version": 2
  }
}