OpenTechnical

OT-2026-000045479

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000045479) never changes.

Identity and time

Publication numberOT-2026-000045479 · never reused
Internal UUID01a0ae7c-f76d-7b41-8cc8-eca2c23e2bf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045479
StatusPUBLIC

Content hashes

Canonical textd068cfa414c9ab4f656fa9ac6aee81512296ca237c88ea3082e6994c1121d027
Markdownbfc5fbf147f7bb13057da250343ceb8b7d0c34f5ffc6aa74f7c5947102756eb2
PDF
Publication page63050fc60e65d66d48fd3af5e7590da18e71e1d3ec6469f9018feff8b6e5d6d2
Manifest971183bc890a76a5eb3b527c4e261c9283c032584829fa11da19d0db3ea59396

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
Signatureg6LSByFj9nDnwsBcdccpURqJs031PLkkXaBYdSb+BDlz/fTM+Uc/p7y0T1KeKb6DMD2Bqzf1ovEUypZRdwCsDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:11:17.494507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045479
observed 63050fc60e65d66d48fd3af5e7590da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:17.475842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045479/manifest.json
observed 971183bc890a76a5eb3b527c4e261c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:17.455567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045479/publication.md
observed bfc5fbf147f7bb13057da250343ceb8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:17.436217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045479/publication.txt
observed d068cfa414c9ab4f656fa9ac6aee8151...
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.