Pith Number

pith:TBTTTVGT

pith:2008:TBTTTVGTIHRMFOIRT7ST3FSGPN

not attested not anchored not stored refs pending

Ubiquitous H-alpha polarized line profiles: absorptive spectropolarimetric effects and temporal variability in Post-AGB, Herbig Ae/Be and other stellar types

D.M. Harrington, J.R. Kuhn

arxiv:0812.2598 v1 · 2008-12-14 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TBTTTVGTIHRMFOIRT7ST3FSGPN}

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	2026-05-18T04:29:24.547994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

986739d4d341e2c2b9119fe53d96467b594ce989f4964e04c0edc45194bac52b

Aliases

arxiv: 0812.2598 · arxiv_version: 0812.2598v1 · doi: 10.48550/arxiv.0812.2598 · pith_short_12: TBTTTVGTIHRM · pith_short_16: TBTTTVGTIHRMFOIR · pith_short_8: TBTTTVGT

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/TBTTTVGTIHRMFOIRT7ST3FSGPN \
  | 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: 986739d4d341e2c2b9119fe53d96467b594ce989f4964e04c0edc45194bac52b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77218a9b008cf3c618fb9f49e727949597749f9d12a611302cf6f81dabefd527",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-14T01:44:03Z",
    "title_canon_sha256": "44a6aa51250d257cd0ad4dcd02269d109f59b0871835b016e43434047e8f2608"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2598",
    "kind": "arxiv",
    "version": 1
  }
}