Pith Number

pith:2J7G6APB

pith:2020:2J7G6APBZPSCKBMN4Y6D6FPF35

not attested not anchored not stored refs pending

Spiraling vortices in exciton-polariton condensates

Lluis Torner, Stefan Schumacher, Tingge Gao, Xuekai Ma, Yaroslav V. Kartashov

arxiv:2007.03755 v1 · 2020-07-07 · 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{2J7G6APBZPSCKBMN4Y6D6FPF35}

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	2026-07-05T01:22:19.963136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d27e6f01e1cbe425058de63c3f15e5df75c0b2aa814baea6c495971cc68de573

Aliases

arxiv: 2007.03755 · arxiv_version: 2007.03755v1 · doi: 10.48550/arxiv.2007.03755 · pith_short_12: 2J7G6APBZPSC · pith_short_16: 2J7G6APBZPSCKBMN · pith_short_8: 2J7G6APB

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/2J7G6APBZPSCKBMN4Y6D6FPF35 \
  | 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: d27e6f01e1cbe425058de63c3f15e5df75c0b2aa814baea6c495971cc68de573

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85e9a2e9f6c698979153600a52e7a546ac1c9ea6e98fad32751d04e29c79fd62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2020-07-07T19:36:09Z",
    "title_canon_sha256": "6a050d41d1f95f9a003eb27a3287426e479396f279c3da3e52893ebd6c82c323"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.03755",
    "kind": "arxiv",
    "version": 1
  }
}