Pith Number

pith:66HZJKGO

pith:2012:66HZJKGOJD2JGFP5A6PUBMVFSY

not attested not anchored not stored refs pending

A Far-ultraviolet Atlas of Low-resolution Hubble Space Telescope Spectra of T Tauri Stars

Alexander Brown, Christopher M. Johns-Krull, Edwin Bergin, Gregory J. Herczeg, Hao Yang, Jeff A. Valenti, Jeffrey L. Linsky, Laura Ingleby, Nuria Calvet

arxiv:1205.4789 v1 · 2012-05-22 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66HZJKGOJD2JGFP5A6PUBMVFSY}

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	2026-05-18T01:57:24.707533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f78f94a8ce48f49315fd079f40b2a5962c60bed2370c8da6bce52aa18909bd71

Aliases

arxiv: 1205.4789 · arxiv_version: 1205.4789v1 · doi: 10.48550/arxiv.1205.4789 · pith_short_12: 66HZJKGOJD2J · pith_short_16: 66HZJKGOJD2JGFP5 · pith_short_8: 66HZJKGO

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/66HZJKGOJD2JGFP5A6PUBMVFSY \
  | 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: f78f94a8ce48f49315fd079f40b2a5962c60bed2370c8da6bce52aa18909bd71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dd940e469da776d274e524080524c688bef23b5f63a5eedfbccf5ce6ee3ebf5",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-05-22T02:37:26Z",
    "title_canon_sha256": "d46c592a056790cf0cadaf36d187bdf599111e4d37c6b5ae1d072a79309e33b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4789",
    "kind": "arxiv",
    "version": 1
  }
}