Pith Number

pith:2GX7A3VA

pith:2011:2GX7A3VAJRWSLJD4EEYP4IXRBW

not attested not anchored not stored refs pending

Discovery of interstellar anions in Cepheus star-forming region

C. Walsh, J. V. Buckle, M. A. Cordiner, S. B. Charnley, T. J. Millar

arxiv:1101.4205 v1 · 2011-01-21 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GX7A3VAJRWSLJD4EEYP4IXRBW}

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	2026-05-18T02:03:25.514646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1aff06ea04c6d25a47c2130fe22f10d97b6461b6212c030f0c9252c1f33dd3b

Aliases

arxiv: 1101.4205 · arxiv_version: 1101.4205v1 · doi: 10.48550/arxiv.1101.4205 · pith_short_12: 2GX7A3VAJRWS · pith_short_16: 2GX7A3VAJRWSLJD4 · pith_short_8: 2GX7A3VA

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/2GX7A3VAJRWSLJD4EEYP4IXRBW \
  | 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: d1aff06ea04c6d25a47c2130fe22f10d97b6461b6212c030f0c9252c1f33dd3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f15d4eba8ae7bfb4ec7a566facd74e01feb057b84fb2f77d976d0b581c7fe948",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-01-21T18:58:45Z",
    "title_canon_sha256": "1ac99243d0c02b81c89ce86e6fa551f75d32e2a2813e8ca7b4e24901ca5a87fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4205",
    "kind": "arxiv",
    "version": 1
  }
}