Pith Number

pith:ICJWBDXQ

pith:2016:ICJWBDXQ2FV26B6FYESD2INXFL

not attested not anchored not stored refs pending

Chandra Observations of Comets C/2012 S1 (ISON) and C/2011 L4 (PanSTARRS)

Bradford Snios, Carey M. Lisse, Konrad Dennerl, Michael R. Combi, Scott J. Wolk, Vasili Kharchenko

arxiv:1601.06622 v2 · 2016-01-25 · astro-ph.HE · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ICJWBDXQ2FV26B6FYESD2INXFL}

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	2026-05-18T01:20:06.244546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4093608ef0d16baf07c5c1243d21b72ae67c1e6fa3ce5c5541a0229072453bec

Aliases

arxiv: 1601.06622 · arxiv_version: 1601.06622v2 · doi: 10.48550/arxiv.1601.06622 · pith_short_12: ICJWBDXQ2FV2 · pith_short_16: ICJWBDXQ2FV26B6F · pith_short_8: ICJWBDXQ

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/ICJWBDXQ2FV26B6FYESD2INXFL \
  | 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: 4093608ef0d16baf07c5c1243d21b72ae67c1e6fa3ce5c5541a0229072453bec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41bdb62cfd854d1aca816cf386aebfb8d6e1342d2d9cb148b9902271b4346f8a",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-01-25T14:48:34Z",
    "title_canon_sha256": "82ba381f42cd97f8198c3a331f4bb36bff6c1eb53a9b3a157b9f7c31654f67a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06622",
    "kind": "arxiv",
    "version": 2
  }
}