OpenTechnical

OT-2026-000100147

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000100147) never changes.

Identity and time

Publication numberOT-2026-000100147 · never reused
Internal UUID01a0aea3-3052-73eb-92ef-400e75114e80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100147
StatusPUBLIC

Content hashes

Canonical texte8877c3c7b82f28b413d77c1cdde16410da80e0d80dcb7328bbf471e7e527a31
Markdownd6620bc157cfb9c6fab0d35d8396d9f0721af7042c39268b03408a7c49f1d578
PDF
Publication pagec39f97f381bd731ba46d3d1f20650691485444c29dae71cca9596a436275189d
Manifest06a7e33ad6ceeaf10c4d3aa2da8082540d0a7ec60a33f0370e6cc6afcf2064dd

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
Signature6810Rhks0spcq1YrYu0PlVK17p91Pdhr7GCWHjNUutVfTiEvEB/tldIvCWeF2/lWEUHDVVv++BJeHTlTWBKOBA==
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

2026-09-17T09:27:51.150334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100147
observed c39f97f381bd731ba46d3d1f20650691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.131472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100147/manifest.json
observed 06a7e33ad6ceeaf10c4d3aa2da808254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.113248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100147/publication.md
observed d6620bc157cfb9c6fab0d35d8396d9f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.095523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100147/publication.txt
observed e8877c3c7b82f28b413d77c1cdde1641...
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.