Pith Number

pith:7AJHRF6R

pith:2015:7AJHRF6RUPZXXP2OFUVCNDFTHQ

not attested not anchored not stored refs pending

X-ray spectral residuals in NGC 5408 X-1: diffuse emission from star formation, or the signature of a super-Eddington wind?

Andrew D. Sutton, Matthew J. Middleton, Timothy P. Roberts

arxiv:1510.03853 v1 · 2015-10-13 · 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{7AJHRF6RUPZXXP2OFUVCNDFTHQ}

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	2026-05-18T01:30:14.720668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8127897d1a3f37bbf4e2d2a268cb33c0f5b5bc80f10083a1dc4198e1c45c08d

Aliases

arxiv: 1510.03853 · arxiv_version: 1510.03853v1 · doi: 10.48550/arxiv.1510.03853 · pith_short_12: 7AJHRF6RUPZX · pith_short_16: 7AJHRF6RUPZXXP2O · pith_short_8: 7AJHRF6R

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/7AJHRF6RUPZXXP2OFUVCNDFTHQ \
  | 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: f8127897d1a3f37bbf4e2d2a268cb33c0f5b5bc80f10083a1dc4198e1c45c08d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff15dc5807748e23a9b9d94c8f36846bcaf0c13ae71979589aed67555558fab3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-10-13T20:10:48Z",
    "title_canon_sha256": "6008d2e14e384d23be422e9d901110a5a883374d9cc1a710eef3adb7fac2cb8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03853",
    "kind": "arxiv",
    "version": 1
  }
}