Pith Number

pith:6E5A5UUO

pith:2015:6E5A5UUOPMZFR6JLSOAAA2A4VQ

not attested not anchored not stored refs pending

Exposure Time Calculator for Immersion Grating Infrared Spectrograph: IGRINS

Andreas Seifahrt, Daniel T. Jaffe, Huynh Anh N. Le, Jae-Joon Lee, Kyle Kaplan, Myungshin Im, Soojong Pak

arxiv:1501.03249 v4 · 2015-01-14 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6E5A5UUOPMZFR6JLSOAAA2A4VQ}

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	2026-05-18T02:04:07.278060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f13a0ed28e7b3258f92b938000681cac05ee4efcd3f7ea623df3959878d09dfe

Aliases

arxiv: 1501.03249 · arxiv_version: 1501.03249v4 · doi: 10.48550/arxiv.1501.03249 · pith_short_12: 6E5A5UUOPMZF · pith_short_16: 6E5A5UUOPMZFR6JL · pith_short_8: 6E5A5UUO

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/6E5A5UUOPMZFR6JLSOAAA2A4VQ \
  | 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: f13a0ed28e7b3258f92b938000681cac05ee4efcd3f7ea623df3959878d09dfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f901f66ac7eeae21e9fcd99c69a6138c71239e5018da8c71d35828a490250c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-01-14T05:16:14Z",
    "title_canon_sha256": "b58e7990b5cac225951978541bf17c90925ce47b3efd94b40f4f2122701b5202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03249",
    "kind": "arxiv",
    "version": 4
  }
}