Pith Number

pith:BBDEOB2F

pith:2015:BBDEOB2FW2U7LTM4EIIQ5KUDJS

not attested not anchored not stored refs pending

X-ray Emission from Charge Exchange in the Cygnus Loop SNR

Q. Daniel Wang, Shawn R. Roberts

arxiv:1502.05068 v1 · 2015-02-17 · 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{BBDEOB2FW2U7LTM4EIIQ5KUDJS}

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	2026-05-18T01:41:01.077348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0846470745b6a9f5cd9c22110eaa834cad3a9adefe9404213fa392c2319ca999

Aliases

arxiv: 1502.05068 · arxiv_version: 1502.05068v1 · doi: 10.48550/arxiv.1502.05068 · pith_short_12: BBDEOB2FW2U7 · pith_short_16: BBDEOB2FW2U7LTM4 · pith_short_8: BBDEOB2F

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/BBDEOB2FW2U7LTM4EIIQ5KUDJS \
  | 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: 0846470745b6a9f5cd9c22110eaa834cad3a9adefe9404213fa392c2319ca999

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81f39321eef1f7cf2d8a08d507990701835bd1c03a5c9a786009a9d3375e0f94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-17T21:42:29Z",
    "title_canon_sha256": "d86ecb5d80ce5af857e09d3d02aa1843c3af2a1f2b425abdb57d1393f575143f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05068",
    "kind": "arxiv",
    "version": 1
  }
}