Pith Number

pith:HXFYFOS2

pith:2019:HXFYFOS2OQ3W4SI2VRDA7FEZKO

not attested not anchored not stored refs pending

Upper Limits for Emissions in the Coma of Comet 67P/Churyumov-Gerasimenko Near Perihelion as Measured by Rosetta's Alice Far-Ultraviolet Spectrograph

A. J. Steffl, B. A. Keeney, H. A. Weaver, J.-L. Bertaux, J. Noonan, J. P. Pineau, Jr., J. Wm. Parker, L. M. Feaga, M. F. A'Hearn, M. M. Knight, M. Versteeg, P. D. Feldman, R. A. Medina, R. J. Vervack, R. N. Schindhelm, S. A. Stern

arxiv:1910.13577 v2 · 2019-10-29 · 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{HXFYFOS2OQ3W4SI2VRDA7FEZKO}

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	2026-07-05T00:23:25.164413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dcb82ba5a74376e491aac460f949953afa4c6b0087269b7a2eab0f578edd606

Aliases

arxiv: 1910.13577 · arxiv_version: 1910.13577v2 · doi: 10.48550/arxiv.1910.13577 · pith_short_12: HXFYFOS2OQ3W · pith_short_16: HXFYFOS2OQ3W4SI2 · pith_short_8: HXFYFOS2

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/HXFYFOS2OQ3W4SI2VRDA7FEZKO \
  | 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: 3dcb82ba5a74376e491aac460f949953afa4c6b0087269b7a2eab0f578edd606

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52db96f9a6a1361137cf390ed90ce4ca0249dd249ecc61e752912039266a167d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-10-29T23:36:36Z",
    "title_canon_sha256": "46a2ab2cb096d840cc3f9696b883ed1db33c0e458b89ff41075359434824fd86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13577",
    "kind": "arxiv",
    "version": 2
  }
}