OpenTechnical

OT-2026-000064827

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three 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-2026-000064827) never changes.

Identity and time

Publication numberOT-2026-000064827 · never reused
Internal UUID01a0ae8d-debb-72d1-b11f-1abd6958ed32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064827
StatusPUBLIC

Content hashes

Canonical textade0724b4140c7c7fe1ec4062b61c07d6afc8eff3ddf8e863d59202feaeb7a91
Markdown9c021de8c9295e3954006e04c9b65140cfcaa368dbe6b5a8765f1fe3a2eeb41b
PDF
Publication pagefb85abbf962b84637b85d369eb787ccabe999fdec87482909ebf4da934f917ed
Manifest13fe5ae4246af784a116cd0c15548c026d97546f4a229e5bb1e20b4d29e8172f

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
Signature6q4wlVa57D3vRCiHhkg0RzMxLP4yoCPvqce5naZiWOrfJiGDZZFJFwX/RR8hdPK16pSGMjTtn3AV/Am3PrH5Cw==
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

2026-09-17T10:35:44.022845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064827
observed fb85abbf962b84637b85d369eb787cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:44.006576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064827/manifest.json
observed 13fe5ae4246af784a116cd0c15548c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:43.989126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064827/publication.md
observed 9c021de8c9295e3954006e04c9b65140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:43.970445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064827/publication.txt
observed ade0724b4140c7c7fe1ec4062b61c07d...
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.