OpenTechnical

OT-2026-000047139

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000047139) never changes.

Identity and time

Publication numberOT-2026-000047139 · never reused
Internal UUID01a0ae7e-d0f8-7d49-acf8-2ac8ccc4742d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047139
StatusPUBLIC

Content hashes

Canonical textaa0887d7703fe021e3197a9313de54d3d43615617ebc9aedddc448a5c632180b
Markdownfa6b0c28d477204e27ff9fd12d2b93bb73420da13d42b2c8baae95cb7dcd64a6
PDF
Publication page0e66daac70dc077adc8598c18d6cd7cc32495c30daaf01088966346728f3f846
Manifestc8c8b784f28883ce4fec5a042a11831e86050a26dfab21d59f2e8f526e37e4ee

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
SignatureJjzCHCrzbOSiE8cy5K9i5DmIUspfFc1LZUBhTI0E/AlL9j9yGrONjjeFLgLjTgZ1aciqIqIoxnqS3rm6BI9eBA==
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

2026-09-17T11:10:28.470961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047139
observed 0e66daac70dc077adc8598c18d6cd7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.452809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047139/manifest.json
observed c8c8b784f28883ce4fec5a042a11831e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.434703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047139/publication.md
observed fa6b0c28d477204e27ff9fd12d2b93bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.416995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047139/publication.txt
observed aa0887d7703fe021e3197a9313de54d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:56.741980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047139
observed 0e66daac70dc077adc8598c18d6cd7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:56.723598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047139/manifest.json
observed c8c8b784f28883ce4fec5a042a11831e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:56.706654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047139/publication.md
observed fa6b0c28d477204e27ff9fd12d2b93bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:56.690412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047139/publication.txt
observed aa0887d7703fe021e3197a9313de54d3...
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.