Pith Number

pith:5V543DTB

pith:2009:5V543DTBAASHIRHTTIHNECIQC2

not attested not anchored not stored refs pending

IRC+10216's Innermost Envelope -- The eSMA's View

A. Meredith Hughes, Brian Force, David Wilner, Ewine F. van Dishoeck, Hiroko Shinnaga, Hiroshige Yoshida, Ken H. Young, Mark A. Gurwell, Per Friberg, Remo P. J. Tilanus, Richard Chamberlin, Ruisheng Peng, Sandrine Bottinelli, Thomas G. Phillips

arxiv:0904.0280 v1 · 2009-04-02 · 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{5V543DTBAASHIRHTTIHNECIQC2}

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	2026-05-18T04:29:15.417805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed7bcd8e6100247444f39a0ed20910168d5f504179a736f526357b60a365299c

Aliases

arxiv: 0904.0280 · arxiv_version: 0904.0280v1 · doi: 10.48550/arxiv.0904.0280 · pith_short_12: 5V543DTBAASH · pith_short_16: 5V543DTBAASHIRHT · pith_short_8: 5V543DTB

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/5V543DTBAASHIRHTTIHNECIQC2 \
  | 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: ed7bcd8e6100247444f39a0ed20910168d5f504179a736f526357b60a365299c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97e59267c7675b07f41697ddfe894151217544879d0db15af9cc4e008bae6f2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-04-02T07:00:21Z",
    "title_canon_sha256": "ade02fa2a0b78ce537ad20b25eb74a58baae93f554a304c9f3e46c52ce048900"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0280",
    "kind": "arxiv",
    "version": 1
  }
}