Pith Number

pith:EHE5E7O6

pith:2018:EHE5E7O6ERMLHCPRWKZSHQKCQ7

not attested not anchored not stored refs pending

Probing the 9.7\mu m Interstellar Silicate Extinction Profile through the Spitzer/IRS Spectroscopy of OB Stars

Aigen Li, B.W. Jiang, Jian Gao, J.W. Yao, Z.P. Lv, Z.Z. Shao

arxiv:1805.03598 v1 · 2018-05-09 · astro-ph.SR · 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{EHE5E7O6ERMLHCPRWKZSHQKCQ7}

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	2026-05-18T00:11:49.168456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21c9d27dde2458b389f1b2b323c14287c29b7fa5d2ede617cd9e8636e7b0d9f2

Aliases

arxiv: 1805.03598 · arxiv_version: 1805.03598v1 · doi: 10.48550/arxiv.1805.03598 · pith_short_12: EHE5E7O6ERML · pith_short_16: EHE5E7O6ERMLHCPR · pith_short_8: EHE5E7O6

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/EHE5E7O6ERMLHCPRWKZSHQKCQ7 \
  | 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: 21c9d27dde2458b389f1b2b323c14287c29b7fa5d2ede617cd9e8636e7b0d9f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5290d9e8140bc5999b3931e2585648d1e7fa444d386d3b878f530eddc73c93bb",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-09T15:50:52Z",
    "title_canon_sha256": "d7973d54ffff830bfe06ffeed23f714427c0bbee6b18cb628f19c8f05b447973"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03598",
    "kind": "arxiv",
    "version": 1
  }
}