OpenTechnical

OT-2026-000103203

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000103203) never changes.

Identity and time

Publication numberOT-2026-000103203 · never reused
Internal UUID01a0aea4-be3e-79a5-bfb6-6f57eb4141c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103203
StatusPUBLIC

Content hashes

Canonical textf1e2e5475cde7add049070fdfa895d125069f29d1185217ef6295e87f4e8227f
Markdown7e1f051fee6fa3d62a5117ddec9f611e6846f66010731608da9b36427b1e00fc
PDF
Publication pagebfec39c49705ac515e983cd528fdc270b2ecba2d3fb25e860adfbb1d7c958c4d
Manifesta79978f58a72a18b39f6022147503f09a6c6f3b86a297384fe3271267954a508

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
SignatureN42mR3cNu0EDNnE4xOoxhoMKaLtSDI+xNf8lvWRMp5pSI2FW+OTxmHuSfIbiGam8ss/WDROQwkUdgfvtLD41Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:25.766302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103203
observed bfec39c49705ac515e983cd528fdc270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.747415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103203/manifest.json
observed a79978f58a72a18b39f6022147503f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.730312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103203/publication.md
observed 7e1f051fee6fa3d62a5117ddec9f611e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.712139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103203/publication.txt
observed f1e2e5475cde7add049070fdfa895d12...
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.