OpenTechnical

OT-2026-000051669

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000051669) never changes.

Identity and time

Publication numberOT-2026-000051669 · never reused
Internal UUID01a0ae83-7c82-7138-aab6-6835570de880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051669
StatusPUBLIC

Content hashes

Canonical text5322c6d8dcc28c04311187dea16f419aa23fa406c106130149523142bf06e561
Markdown1235dbf87118e7d17922ad13b7a4c93bc7ce67ee67fef90b8d998abec309e983
PDF
Publication pageb2c545146fac423df4e9c76c0bfcfe3ef05c43bf4c00e8ae7e81adfcb8314423
Manifest07111b7da42b2355b27ab546a4ab2ba3c37ce56e1815a57c4a6c1874657d4472

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureCKm/rsq5RRTTg1MIVgBI9Xk6Qzhun1iTo/7GZxXpG4saHx5OTC2DL9f9vGVXHcHBp4HrUsvCnism7DeImDSmCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:32.322627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051669
observed b2c545146fac423df4e9c76c0bfcfe3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:32.306723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051669/manifest.json
observed 07111b7da42b2355b27ab546a4ab2ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:32.289783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051669/publication.md
observed 1235dbf87118e7d17922ad13b7a4c93b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:32.271620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051669/publication.txt
observed 5322c6d8dcc28c04311187dea16f419a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.