Pith Number

pith:4ZOGPH7T

pith:2015:4ZOGPH7TA6JTCZ3DCEC4SYMLVG

not attested not anchored not stored refs pending

Energy Dependence of Synchrotron X-Ray Rims in Tycho's Supernova Remnant

Aaron Tran, Brian J. Williams, Robert Petre, Sean M. Ressler, Stephen P. Reynolds

arxiv:1509.00877 v1 · 2015-09-02 · 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{4ZOGPH7TA6JTCZ3DCEC4SYMLVG}

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	2026-05-18T01:29:44.804098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e65c679ff307933167631105c9618ba9a93801405fef223c3e5859b8e68ac72a

Aliases

arxiv: 1509.00877 · arxiv_version: 1509.00877v1 · doi: 10.48550/arxiv.1509.00877 · pith_short_12: 4ZOGPH7TA6JT · pith_short_16: 4ZOGPH7TA6JTCZ3D · pith_short_8: 4ZOGPH7T

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/4ZOGPH7TA6JTCZ3DCEC4SYMLVG \
  | 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: e65c679ff307933167631105c9618ba9a93801405fef223c3e5859b8e68ac72a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3af278ddea2284e39a1324e31cf5a8531513985170455d63282ae9912dd6f2d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-09-02T21:10:29Z",
    "title_canon_sha256": "bc1633bbb00b04b9385560e8442fa444ecf39401654ebfa62a74edf20e912333"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00877",
    "kind": "arxiv",
    "version": 1
  }
}