Pith Number

pith:Z5DVMXRI

pith:2012:Z5DVMXRI4O4EW4DGJ5W3BQHG6B

not attested not anchored not stored refs pending

Discovery of a detached HI gas shell surrounding alpha Orionis

E. G\'erard, L. D. Matthews, T. Le Bertre, Y. Libert

arxiv:1203.0255 v1 · 2012-03-01 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z5DVMXRI4O4EW4DGJ5W3BQHG6B}

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	2026-05-18T01:58:16.083114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf47565e28e3b84b70664f6db0c0e6f0623a7bb2067c7c56a670a6d98cc4a5c1

Aliases

arxiv: 1203.0255 · arxiv_version: 1203.0255v1 · doi: 10.48550/arxiv.1203.0255 · pith_short_12: Z5DVMXRI4O4E · pith_short_16: Z5DVMXRI4O4EW4DG · pith_short_8: Z5DVMXRI

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/Z5DVMXRI4O4EW4DGJ5W3BQHG6B \
  | 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: cf47565e28e3b84b70664f6db0c0e6f0623a7bb2067c7c56a670a6d98cc4a5c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa09c421abb9b42adde7aae4dbe60f7074281b1e20382fbf8e73eed95d8aa99f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-01T17:50:35Z",
    "title_canon_sha256": "29e849663b4259a7227bf1604744a597235b7997f1b83425fc167a90e1bc89c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0255",
    "kind": "arxiv",
    "version": 1
  }
}