Pith Number

pith:EF7H6FWM

pith:1997:EF7H6FWMIVLRL4EWUSHCNC3POB

not attested not anchored not stored refs pending

Gamma-Rays and Neutrinos from Very Young Supernova Remnants

Q. Luo, R.J. Protheroe, W. Bednarek

arxiv:astro-ph/9703045 v3 · 1997-03-07 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EF7H6FWMIVLRL4EWUSHCNC3POB}

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	2026-05-18T04:21:40.460745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

217e7f16cc455715f096a48e268b6f704afc0b7a67408ca03762316b69e73944

Aliases

arxiv: astro-ph/9703045 · arxiv_version: astro-ph/9703045v3 · doi: 10.48550/arxiv.astro-ph/9703045 · pith_short_12: EF7H6FWMIVLR · pith_short_16: EF7H6FWMIVLRL4EW · pith_short_8: EF7H6FWM

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/EF7H6FWMIVLRL4EWUSHCNC3POB \
  | 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: 217e7f16cc455715f096a48e268b6f704afc0b7a67408ca03762316b69e73944

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80f2003cd94e3f0f052ac132cf0399d1450ae8b5efc2cd355a6da507300e0e20",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-03-07T08:25:48Z",
    "title_canon_sha256": "9e2846e001d4194ab35210914ed74a807d17d9346e45caf3633c69283efbd5bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9703045",
    "kind": "arxiv",
    "version": 3
  }
}