OpenTechnical

OT-2026-000103876

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000103876) never changes.

Identity and time

Publication numberOT-2026-000103876 · never reused
Internal UUID01a0aea5-15e7-7091-8991-4743e5ec7785 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103876
StatusPUBLIC

Content hashes

Canonical textb082e6178489924e7cf84867cf740018166c0a7815838c47132b33b20f929b74
Markdownddaf647de56087f2ec47b9198fc33811a91869c67cf8f84499b5d5208ed5ba23
PDF
Publication page47ff23bc6dcd5e4c1c86bd741fa6a03cc025db426b0ea054fe33facf3ae2b61b
Manifestf96abdfb99350938b87a06114a214b46458c39ab924802e58c2915547a62d097

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
SignatureaDD4gT09dAETWeSbIpfY+beU3ACvWBBNaqcB4cgnUDjZH6jNZjbPPORDZ5POBeLVJNMoTQZCfMl4C7C2W5ehAg==
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

2026-09-17T09:21:51.687062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103876
observed 47ff23bc6dcd5e4c1c86bd741fa6a03c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.669586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103876/manifest.json
observed f96abdfb99350938b87a06114a214b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.650594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103876/publication.md
observed ddaf647de56087f2ec47b9198fc33811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.633894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103876/publication.txt
observed b082e6178489924e7cf84867cf740018...
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.