Pith Number

pith:4I27ITFK

pith:2014:4I27ITFKMP4KOORK2R6L5PY63B

not attested not anchored not stored refs pending

The XMM-Newton view of the yellow hypergiant IRC +10420 and its surroundings

D. Hutsem\'ekers, E. Gosset, M. De Becker

arxiv:1401.0707 v1 · 2014-01-03 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4I27ITFKMP4KOORK2R6L5PY63B}

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	2026-05-18T03:03:21.755650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e235f44caa63f8a73a2ad47cbebf1ed86392725a13189c7edf2d6d4460ca8dad

Aliases

arxiv: 1401.0707 · arxiv_version: 1401.0707v1 · doi: 10.48550/arxiv.1401.0707 · pith_short_12: 4I27ITFKMP4K · pith_short_16: 4I27ITFKMP4KOORK · pith_short_8: 4I27ITFK

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/4I27ITFKMP4KOORK2R6L5PY63B \
  | 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: e235f44caa63f8a73a2ad47cbebf1ed86392725a13189c7edf2d6d4460ca8dad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31b621dcbeada2beeec757f635c7fa2991396e06a8dd9349cfa23b697c947776",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-01-03T20:16:27Z",
    "title_canon_sha256": "c9e3ab87ea2e01bca33ee668d9fdf9a5dbde1e207b1045965f1d9e3338dde903"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0707",
    "kind": "arxiv",
    "version": 1
  }
}