OpenTechnical

OT-2026-000082377

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000082377) never changes.

Identity and time

Publication numberOT-2026-000082377 · never reused
Internal UUID01a0ae97-4d96-7f3a-9b3e-8f9fcc504ce5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082377
StatusPUBLIC

Content hashes

Canonical textbba8a2ab660be36c526fc8cc051816031237ab5cb01e42050506992895f8c2a3
Markdownbdede3a19c9ad4f18b251dcd14dd6e1240056b9686d930e13de31d18a666111a
PDF
Publication page198e623b46180ef666fe1e23dfec20414e6ce81fa499f1e25e25d2932622c052
Manifestdf385800fa77f92da9977c861d875cedae34b37c747b4d3e67ee299c7e833738

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
SignatureTKRj5lb/JX+axhYlX83pUKyCHh2Io2cE/SPzrb2Kmy61CevPikHV0Ix9tb0epayVXnaPd+SJGYjrkdicqH63CQ==
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

2026-09-17T09:59:15.360635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082377
observed 198e623b46180ef666fe1e23dfec2041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.343977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082377/manifest.json
observed df385800fa77f92da9977c861d875ced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.322537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082377/publication.md
observed bdede3a19c9ad4f18b251dcd14dd6e12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.302795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082377/publication.txt
observed bba8a2ab660be36c526fc8cc05181603...
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.