Pith Number

pith:2ZXOGPQ3

pith:1997:2ZXOGPQ3FWFDFWEB43SDBIGYA6

not attested not anchored not stored refs pending

The afterglow of gamma ray bursts II: the cases of GRB 970228 and GRB 970508

Mario Vietri

arxiv:astro-ph/9706060 v1 · 1997-06-06 · 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{2ZXOGPQ3FWFDFWEB43SDBIGYA6}

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	2026-07-04T16:03:02.921045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d66ee33e1b2d8a32d881e6e430a0d807bd6c2713e719e748d02d8377a657c384

Aliases

arxiv: astro-ph/9706060 · arxiv_version: astro-ph/9706060v1 · doi: 10.48550/arxiv.astro-ph/9706060 · pith_short_12: 2ZXOGPQ3FWFD · pith_short_16: 2ZXOGPQ3FWFDFWEB · pith_short_8: 2ZXOGPQ3

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/2ZXOGPQ3FWFDFWEB43SDBIGYA6 \
  | 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: d66ee33e1b2d8a32d881e6e430a0d807bd6c2713e719e748d02d8377a657c384

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c9f9300302fe976dc1104822a9aefcacc12d3745d61463c13c27b563e2662d5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-06-06T11:36:16Z",
    "title_canon_sha256": "0f83d09556aaaa8a33d3b7f48fd11761d1ac448a1ba23a5553f02910bf7c960c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9706060",
    "kind": "arxiv",
    "version": 1
  }
}