Pith Number

pith:DOKDRA5S

pith:1997:DOKDRA5SEU4LGVWTGVEXNY3625

not attested not anchored not stored refs pending

Constraints on the Extragalactic Infrared Background from Gamma Ray Observations of Mrk 501

Alberto Franceschini, Todor Stanev

arxiv:astro-ph/9708162 v2 · 1997-08-18 · 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{DOKDRA5SEU4LGVWTGVEXNY3625}

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	2026-05-18T04:34:29.113612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b943883b22538b356d3354976e37ed77a8cbbb5719aa26e1f8aa7c5091a2c02

Aliases

arxiv: astro-ph/9708162 · arxiv_version: astro-ph/9708162v2 · doi: 10.48550/arxiv.astro-ph/9708162 · pith_short_12: DOKDRA5SEU4L · pith_short_16: DOKDRA5SEU4LGVWT · pith_short_8: DOKDRA5S

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/DOKDRA5SEU4LGVWTGVEXNY3625 \
  | 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: 1b943883b22538b356d3354976e37ed77a8cbbb5719aa26e1f8aa7c5091a2c02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cc1360a33816fb46635d5219a34b4e4443e534f405a9c63bda42dc066cae8b9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-18T17:47:08Z",
    "title_canon_sha256": "9829f006248f9fddb659b24c64396f4fe8efa1909cb78a83da807c5c63f0dddf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708162",
    "kind": "arxiv",
    "version": 2
  }
}