Pith Number

pith:DWAXBDS5

pith:2009:DWAXBDS5EP4LZWSTW5ROYRSUBL

not attested not anchored not stored refs pending

Mid-Infrared Spectroscopy of Submillimeter Galaxies: Extended Star Formation in Massive High Redshift Galaxies

Andrew W. Blain, Dave Frayer, Dave M. Alexander, Harry Teplitz, Ian Smail, Kar\'in Men\'endez-Delmestre, Lee Armus, Rob J. Ivison, Scott C. Chapman

arxiv:0903.4017 v1 · 2009-03-24 · astro-ph.CO · astro-ph.GA

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

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	2026-05-18T02:35:00.212896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d81708e5d23f8bcda53b762ec46540ac1fc7f9dce75a33649fdc0bbd3e42d06

Aliases

arxiv: 0903.4017 · arxiv_version: 0903.4017v1 · doi: 10.48550/arxiv.0903.4017 · pith_short_12: DWAXBDS5EP4L · pith_short_16: DWAXBDS5EP4LZWST · pith_short_8: DWAXBDS5

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/DWAXBDS5EP4LZWSTW5ROYRSUBL \
  | 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: 1d81708e5d23f8bcda53b762ec46540ac1fc7f9dce75a33649fdc0bbd3e42d06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89abf8aad2db6d76ca27d1a19266b083561bcf7ac83a8226ff5222d2f4d85c7e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-24T06:36:39Z",
    "title_canon_sha256": "3bcbd52c34c281b487acff4f249a1966c04deb941d9e65e854be67bc490dd183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4017",
    "kind": "arxiv",
    "version": 1
  }
}