Pith Number

pith:V6IXPWEQ

pith:2012:V6IXPWEQFCXFUTZYKAZCDFPRFF

not attested not anchored not stored refs pending

The optically unbiased GRB host (TOUGH) survey. V. VLT/X-shooter emission-line redshifts for Swift GRBs at z~2

Andrew J. Levan, Bo Milvang-Jensen, Daniele Malesani, Darach J. Watson, Jens Hjorth, Johan P. U. Fynbo, Martin Sparre, Nial R. Tanvir, P\'all Jakobsson, Thomas Kr\"uhler

arxiv:1205.4036 v2 · 2012-05-17 · 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{V6IXPWEQFCXFUTZYKAZCDFPRFF}

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	2026-05-18T03:41:02.416088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af9177d89028ae5a4f3850322195f12948e418cb8d2523ae7715333b08acbb34

Aliases

arxiv: 1205.4036 · arxiv_version: 1205.4036v2 · doi: 10.48550/arxiv.1205.4036 · pith_short_12: V6IXPWEQFCXF · pith_short_16: V6IXPWEQFCXFUTZY · pith_short_8: V6IXPWEQ

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/V6IXPWEQFCXFUTZYKAZCDFPRFF \
  | 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: af9177d89028ae5a4f3850322195f12948e418cb8d2523ae7715333b08acbb34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0669bf595314e87b65a437dcf4eba2f9e67c7afc2c006ce527052efc39fecbc3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-17T20:01:48Z",
    "title_canon_sha256": "8f8049266043e38c4437853c6926535c7f340c623c69f6062d3ad2734de4b2ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4036",
    "kind": "arxiv",
    "version": 2
  }
}