OpenTechnical

OT-2026-000070717

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000070717) never changes.

Identity and time

Publication numberOT-2026-000070717 · never reused
Internal UUID01a0ae91-8c2c-7898-a09c-3b69a03c2ebc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070717
StatusPUBLIC

Content hashes

Canonical text616cc149403b857411e8aa23db6920b3d7b6153741ee1418e8e51ef93f765277
Markdown206fa99e0465eb5f2ea142b7b919da55f2c9d6875b89b5db086166bc925241dd
PDF
Publication pagec05c02a8d2e46e3c7c552e35a206a1b6a9aa2869c3a14fa98808eac1393e28b3
Manifest4c2597cc42f462292620eb99cbccdf9989b0fda5c31d0c4a37656ab5affdee82

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
Signature5+kUSnyHqv6NK5wSJjSNQ5wfXmZi62J2ewW4Foj+EUFhPueli612zLNZnkpuaV9rIurIydWFyyX6pLsSoH7QAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:24.527958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070717
observed c05c02a8d2e46e3c7c552e35a206a1b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.507545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070717/manifest.json
observed 4c2597cc42f462292620eb99cbccdf99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.488933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070717/publication.md
observed 206fa99e0465eb5f2ea142b7b919da55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.472588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070717/publication.txt
observed 616cc149403b857411e8aa23db6920b3...
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.