Pith Number

pith:ZS6A6J64

pith:2014:ZS6A6J64FZHSI3VS6H2JOP6GNJ

not attested not anchored not stored refs pending

GCIRS 7, a pulsating M1 supergiant at the Galactic centre. Physical properties and age

F. Martins, G. Perrin, J.B. Le Bouquin, J. Breitfelder, J.-U. Pott, L. Burtscher, O. Pfuhl, P. Kervella, S. Gillessen, T. Ott, T. Paumard, W. Brandner, X. Haubois

arxiv:1406.5320 v1 · 2014-06-20 · 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{ZS6A6J64FZHSI3VS6H2JOP6GNJ}

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	2026-05-18T02:43:34.887331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccbc0f27dc2e4f246eb2f1f4973fc66a4fc08649405eae1ac66c58240f5dcf72

Aliases

arxiv: 1406.5320 · arxiv_version: 1406.5320v1 · doi: 10.48550/arxiv.1406.5320 · pith_short_12: ZS6A6J64FZHS · pith_short_16: ZS6A6J64FZHSI3VS · pith_short_8: ZS6A6J64

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/ZS6A6J64FZHSI3VS6H2JOP6GNJ \
  | 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: ccbc0f27dc2e4f246eb2f1f4973fc66a4fc08649405eae1ac66c58240f5dcf72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae20458bb4d7b1373c0e8fbb1cf67de073d08771be5f79eb344244cb6249a1f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-06-20T08:59:56Z",
    "title_canon_sha256": "b8214aac6335efaf5233089b4cf115abfe9f9ced308877d05397fbba960bc105"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5320",
    "kind": "arxiv",
    "version": 1
  }
}