Pith Number

pith:LVVCZB5W

pith:2017:LVVCZB5WQU4ZCET4IPDSBT3MFX

not attested not anchored not stored refs pending

The Sources of Extreme Ultraviolet and Soft X-ray Backgrounds

Anson D'Aloisio, Jessica K. Werk, Matthew McQuinn, Phoebe R. Upton Sanderbeck

arxiv:1710.07295 v2 · 2017-10-19 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LVVCZB5WQU4ZCET4IPDSBT3MFX}

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	2026-05-17T23:54:16.862066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d6a2c87b6853991127c43c720cf6c2dc6163fb63eea7f3793cb10005e73aaac

Aliases

arxiv: 1710.07295 · arxiv_version: 1710.07295v2 · doi: 10.48550/arxiv.1710.07295 · pith_short_12: LVVCZB5WQU4Z · pith_short_16: LVVCZB5WQU4ZCET4 · pith_short_8: LVVCZB5W

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/LVVCZB5WQU4ZCET4IPDSBT3MFX \
  | 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: 5d6a2c87b6853991127c43c720cf6c2dc6163fb63eea7f3793cb10005e73aaac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2190593c02d35fabd9852cc14cb1a5b58ef8df5db61403ada6b1fda43ca6a327",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-10-19T18:00:06Z",
    "title_canon_sha256": "051f1e98bce6a290d5e1c75a1ae7b0184e2dd4136fc1dbebb9635b76cba076eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07295",
    "kind": "arxiv",
    "version": 2
  }
}