OpenTechnical

OT-2026-000078305

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000078305) never changes.

Identity and time

Publication numberOT-2026-000078305 · never reused
Internal UUID01a0ae95-7c27-7c7f-ad1b-568fab52fb67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078305
StatusPUBLIC

Content hashes

Canonical texta09a6771d67fcf4a0cca3069959b53107248967baf22c7871f983522198f5856
Markdown89cca871edbb531e632b6043ac8daf82169d86411161bf91704ceaaef318741c
PDF
Publication page5b62763aeec14d5e73ae0c48d00c9ed0897adaddcc07902bbe2bb6c519d9e3b2
Manifest28ae126e8a2367be78638acc48d5e16f49c0d0649556ade20460009f54f9a252

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
SignatureWnp41TzvkbnDufSEGIkPQO1VBQb5wbfZvWI2rCAPe3RSSL4kJLg2iklR3bBOoIBxd9vvUUtqdrzMWLhl/6ktDw==
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

2026-09-17T10:06:16.285966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078305
observed 5b62763aeec14d5e73ae0c48d00c9ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.266322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078305/manifest.json
observed 28ae126e8a2367be78638acc48d5e16f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.220209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078305/publication.md
observed 89cca871edbb531e632b6043ac8daf82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.176012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078305/publication.txt
observed a09a6771d67fcf4a0cca3069959b5310...
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.