Pith Number

pith:5YYMHDD2

pith:2001:5YYMHDD2VCACIRID6URDLINLTM

not attested not anchored not stored refs pending

Two-species magneto-optical trap with 40K and 87Rb

B. DeMarco, D. S. Jin, J. Goldwin, S. B. Papp

arxiv:cond-mat/0108287 v2 · 2001-08-20 · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5YYMHDD2VCACIRID6URDLINLTM}

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	2026-07-04T16:26:09.228099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee30c38c7aa880244503f52235a1ab9b03158ea2c66e99eccc7b4fd519e2d68f

Aliases

arxiv: cond-mat/0108287 · arxiv_version: cond-mat/0108287v2 · doi: 10.48550/arxiv.cond-mat/0108287 · pith_short_12: 5YYMHDD2VCAC · pith_short_16: 5YYMHDD2VCACIRID · pith_short_8: 5YYMHDD2

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/5YYMHDD2VCACIRID6URDLINLTM \
  | 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: ee30c38c7aa880244503f52235a1ab9b03158ea2c66e99eccc7b4fd519e2d68f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f78e5cd6fb8070879e6604b019d215c5bcdc82b7efc9144f1c7f9dc128f63a6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2001-08-20T22:27:13Z",
    "title_canon_sha256": "0fd7524d850d8d1341ce3f9bbe0052ff00e61833337cae51b486c14e1a3d8ee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0108287",
    "kind": "arxiv",
    "version": 2
  }
}