Pith Number

pith:AGWJ7G2B

pith:1997:AGWJ7G2BAYXHYKHJYQJSWHDB6J

not attested not anchored not stored refs pending

Absorption of High Energy Gamma Rays by Interactions With Starlight Photons in Extragalactic Space at High Redshifts and the High Energy Gamma-Ray Background

F.W. Stecker (NASA/Goddard), M.H. Salamon (Utah)

arxiv:astro-ph/9704166 v1 · 1997-04-16 · 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{AGWJ7G2BAYXHYKHJYQJSWHDB6J}

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.

Cited by

1 paper in Pith

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Receipt and verification

First computed	2026-07-04T15:21:30.308406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01ac9f9b41062e7c28e9c4132b1c61f27c260d75f6846792f6d13822e0214ef0

Aliases

arxiv: astro-ph/9704166 · arxiv_version: astro-ph/9704166v1 · doi: 10.48550/arxiv.astro-ph/9704166 · pith_short_12: AGWJ7G2BAYXH · pith_short_16: AGWJ7G2BAYXHYKHJ · pith_short_8: AGWJ7G2B

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/AGWJ7G2BAYXHYKHJYQJSWHDB6J \
  | 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: 01ac9f9b41062e7c28e9c4132b1c61f27c260d75f6846792f6d13822e0214ef0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2113e0ff74e99ce2eb52dc1379ef43812fa22a85ffc0ab5db50a639acd5d5bb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-04-16T20:29:54Z",
    "title_canon_sha256": "37dc7a618ea66b1c798de3f56c4572ffb808cd66ee842a53487a91e71408e6ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9704166",
    "kind": "arxiv",
    "version": 1
  }
}