Pith Number

pith:2YOJJGLP

pith:2015:2YOJJGLPSQ4GJPDVD763FJZFVV

not attested not anchored not stored refs pending

Scattering coefficients and gray-body factor for 1D BEC acoustic black holes: exact results

Alessandro Fabbri, Paul R. Anderson, Roberto Balbinot

arxiv:1512.08447 v2 · 2015-12-28 · gr-qc · cond-mat.quant-gas · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2YOJJGLPSQ4GJPDVD763FJZFVV}

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	2026-05-18T01:18:29.823299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d61c94996f943864bc751ffdb2a725ad607ece6ea7a8cd24fc208b57ca8b7ffd

Aliases

arxiv: 1512.08447 · arxiv_version: 1512.08447v2 · doi: 10.48550/arxiv.1512.08447 · pith_short_12: 2YOJJGLPSQ4G · pith_short_16: 2YOJJGLPSQ4GJPDV · pith_short_8: 2YOJJGLP

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/2YOJJGLPSQ4GJPDVD763FJZFVV \
  | 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: d61c94996f943864bc751ffdb2a725ad607ece6ea7a8cd24fc208b57ca8b7ffd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "203b9b360f8ece05c0c5f3f6610ad1f4ccbe4c4021fc8e306544301ef289e39b",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-12-28T16:28:36Z",
    "title_canon_sha256": "28a26b2ee5d3d06d9c09684166d13935a4f795c3c78016cdbe0f8382ff26d6c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08447",
    "kind": "arxiv",
    "version": 2
  }
}