Pith Number

pith:DP4V26Y7

pith:2010:DP4V26Y7KJE6VC4BOIRBXI7JMF

not attested not anchored not stored refs pending

Probing GRB environments with time variability: ULTRASPEC fast imaging of GRB 080210

A. De Cia, A. Smette, C. Ledoux, D. Malesani, E. H. Gudmundsson, G. Bj\"ornsson, J. P. U. Fynbo, P. Jakobsson, P. M. Vreeswijk, R. Chapman, S. P. Littlefair, S. Schulze, T. R. Marsh, T. Zafar, V. S. Dhillon

arxiv:1011.4239 v1 · 2010-11-18 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DP4V26Y7KJE6VC4BOIRBXI7JMF}

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	2026-05-18T04:19:12.250058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bf95d7b1f5249ea8b8172221ba3e9614def41b8bc3ca2e0ff22b6c147146b58

Aliases

arxiv: 1011.4239 · arxiv_version: 1011.4239v1 · doi: 10.48550/arxiv.1011.4239 · pith_short_12: DP4V26Y7KJE6 · pith_short_16: DP4V26Y7KJE6VC4B · pith_short_8: DP4V26Y7

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/DP4V26Y7KJE6VC4BOIRBXI7JMF \
  | 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: 1bf95d7b1f5249ea8b8172221ba3e9614def41b8bc3ca2e0ff22b6c147146b58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4824778265684e0d890f73f5decb324bdf477bf0656e467ea03f81d4c46d989b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-18T17:22:46Z",
    "title_canon_sha256": "5b5eea82733335d5ad7b357eaa6a6c8d582d17943adbaa97718054494a8debf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4239",
    "kind": "arxiv",
    "version": 1
  }
}