Pith Number

pith:TE6CMYDG

pith:2012:TE6CMYDGBT3SM2U3VGAEZLPACN

not attested not anchored not stored refs pending

Methods for evaluating the performance of volume phase holographic gratings for the VIRUS spectrograph array

Bart Dunlap, Gary J. Hill, Hanshin Lee, J. Christopher Clemens, Taylor S. Chonis

arxiv:1207.4487 v1 · 2012-07-18 · 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{TE6CMYDGBT3SM2U3VGAEZLPACN}

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	2026-05-18T01:56:16.609042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

993c2660660cf7266a9ba9804cade01370e4896f13d02592fdf6a9ced53c7cdb

Aliases

arxiv: 1207.4487 · arxiv_version: 1207.4487v1 · doi: 10.48550/arxiv.1207.4487 · pith_short_12: TE6CMYDGBT3S · pith_short_16: TE6CMYDGBT3SM2U3 · pith_short_8: TE6CMYDG

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/TE6CMYDGBT3SM2U3VGAEZLPACN \
  | 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: 993c2660660cf7266a9ba9804cade01370e4896f13d02592fdf6a9ced53c7cdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4add01cde46889e4f39bc74945e821400407bd5408a30640f545d74a125f8b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-18T20:00:40Z",
    "title_canon_sha256": "f156ed4cfc6ba3f4d8bb21bd4fe92d08e8426cd276c2505435b2b524ca47fad0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4487",
    "kind": "arxiv",
    "version": 1
  }
}