Pith Number

pith:VYHUYAXZ

pith:2015:VYHUYAXZHGSWUDVELAU4UDEAQQ

not attested not anchored not stored refs pending

Dynamic Sublimation Pressure and the Catastrophic Breakup of Comet ISON

Brandon C. Johnson, Carey M. Lisse, David Minton, H. Jay Melosh, Jordan K. Steckloff, Karl Battams, Timothy Bowling

arxiv:1507.02669 v1 · 2015-07-09 · 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{VYHUYAXZHGSWUDVELAU4UDEAQQ}

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	2026-05-18T01:37:06.153697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae0f4c02f939a56a0ea45829ca0c80842598940a22d7de47eb0cb2f9988b3ad1

Aliases

arxiv: 1507.02669 · arxiv_version: 1507.02669v1 · doi: 10.48550/arxiv.1507.02669 · pith_short_12: VYHUYAXZHGSW · pith_short_16: VYHUYAXZHGSWUDVE · pith_short_8: VYHUYAXZ

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/VYHUYAXZHGSWUDVELAU4UDEAQQ \
  | 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: ae0f4c02f939a56a0ea45829ca0c80842598940a22d7de47eb0cb2f9988b3ad1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8425b9890b155dd8a45197a876ebea4003c29aa488f0e33fc1a693827bd4d4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-07-09T19:41:44Z",
    "title_canon_sha256": "73ae07c8a6a59163480a293bac18c28eb33258d8b8d3354640ab5eb0af63f84a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02669",
    "kind": "arxiv",
    "version": 1
  }
}