Pith Number

pith:VKSIO72C

pith:2015:VKSIO72CGWIZLI7L6CCLN3H32R

not attested not anchored not stored refs pending

Spectroscopy and Linear Spectropolarimetry of the early Herbig Be Stars PDS 27 and PDS 37

J. R. Fairlamb, K. M. Ababakr, M.E. van den Ancker, R. D. Oudmaijer

arxiv:1507.06313 v1 · 2015-07-22 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VKSIO72CGWIZLI7L6CCLN3H32R}

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	2026-05-18T01:35:44.471414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaa4877f42359195a3ebf084b6ecfbd46ce831e920d1f261958cda8e4487192d

Aliases

arxiv: 1507.06313 · arxiv_version: 1507.06313v1 · doi: 10.48550/arxiv.1507.06313 · pith_short_12: VKSIO72CGWIZ · pith_short_16: VKSIO72CGWIZLI7L · pith_short_8: VKSIO72C

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/VKSIO72CGWIZLI7L6CCLN3H32R \
  | 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: aaa4877f42359195a3ebf084b6ecfbd46ce831e920d1f261958cda8e4487192d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9cd509b0ead915c8d36cdb59f697f09aa3cb3d10c8c29dcb997a17a5dd3621a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-22T20:00:45Z",
    "title_canon_sha256": "ed11ca31581fc39cdd0479b342641486a2fd02542abb34641f1a024af32140f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06313",
    "kind": "arxiv",
    "version": 1
  }
}