Pith Number

pith:455SYKIA

pith:2012:455SYKIAJKSQQV6QIX6BP2SH2J

not attested not anchored not stored refs pending

First Science Observations with SOFIA/FORCAST: Properties of Intermediate-Luminosity Protostars and Circumstellar Disks in OMC-2

Amelia Stutz, Babar Ali, Charles P. Henderson, Enrique Macias, George E. Gull, Gordon Stacey, Ian S. Remming, James M. De Buizer, Joseph D. Adams, Justin Schoenwald, Luke D. Keller, Mark R. Morris, Mayra Osorio, Nuria Calvet, Paola D'Alessio, Ralph Y. Shuping, S. Thomas Megeath, Terry L. Herter, Thomas Stanke, William J. Fischer, William Vacca

arxiv:1202.4445 v1 · 2012-02-20 · 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{455SYKIAJKSQQV6QIX6BP2SH2J}

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	2026-05-18T01:58:23.311582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e77b2c29004aa50857d045fc17ea47d26e65fa644e622f2a83f14f80f7a44a2e

Aliases

arxiv: 1202.4445 · arxiv_version: 1202.4445v1 · doi: 10.48550/arxiv.1202.4445 · pith_short_12: 455SYKIAJKSQ · pith_short_16: 455SYKIAJKSQQV6Q · pith_short_8: 455SYKIA

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/455SYKIAJKSQQV6QIX6BP2SH2J \
  | 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: e77b2c29004aa50857d045fc17ea47d26e65fa644e622f2a83f14f80f7a44a2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea2f4b91c095b971978185689385583775df9b684e36315528da2eeb67864b6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-20T20:42:18Z",
    "title_canon_sha256": "4edf7f4a6d11bf1c96f14db8038d94b25e56368d766ae4dc78a3a5a81ebbc0b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4445",
    "kind": "arxiv",
    "version": 1
  }
}