Pith Number

pith:HKKG2EBR

pith:2015:HKKG2EBRWMR67YZYAXIOPBX3S6

not attested not anchored not stored refs pending

Probing X-ray Absorption and Optical Extinction in the Interstellar Medium Using Chandra Observations of Supernova Remnants

Dillon Foight, Feryal Ozel, Patrick Slane, Tolga Guver

arxiv:1504.07274 v2 · 2015-04-27 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HKKG2EBRWMR67YZYAXIOPBX3S6}

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	2026-05-18T01:10:33.393022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a946d1031b323efe33805d0e786fb97a542aab55c037d9a12bd7bc8123a84b8

Aliases

arxiv: 1504.07274 · arxiv_version: 1504.07274v2 · doi: 10.48550/arxiv.1504.07274 · pith_short_12: HKKG2EBRWMR6 · pith_short_16: HKKG2EBRWMR67YZY · pith_short_8: HKKG2EBR

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/HKKG2EBRWMR67YZYAXIOPBX3S6 \
  | 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: 3a946d1031b323efe33805d0e786fb97a542aab55c037d9a12bd7bc8123a84b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5065beb3534df2a458cf737be9539652445e5416a6aa8811c2f0fa102f559cbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-04-27T20:54:40Z",
    "title_canon_sha256": "4ee966a90714e8c18c2b70a8a52bac933cee1bf7e219a179dd9e24e07ae86c77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07274",
    "kind": "arxiv",
    "version": 2
  }
}