OpenTechnical

OT-2026-000099800

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000099800) never changes.

Identity and time

Publication numberOT-2026-000099800 · never reused
Internal UUID01a0aea2-c978-757c-9064-c96a7f549da6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099800
StatusPUBLIC

Content hashes

Canonical text4b7111958fe747350d6779dc22a3548e0786557875e15a7d2b7189c804a7a022
Markdown8b58c4aca0b044f004b56cf08cbbe9ab6f9e81369a7de3582742491fe3ae01fc
PDF
Publication page7e2613a5a918adfb9682a25f34985f8d98ef6287b59e6b3a97d4bdfe7d531095
Manifestf19c6676fc6c7d51dad41c4e77f30c1cc9e2b2c0b34a091a40f488561c6cec01

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
SignatureMpX0+dHGvsKfoadL0FHivrBuPbSJrjjaRCGdaCTTs8rumv7D/8CjTJlCO+ViWAIWrNS2ssqCfqgpp1V0u03LCQ==
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

2026-09-17T09:29:50.268349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099800
observed 7e2613a5a918adfb9682a25f34985f8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.251643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099800/manifest.json
observed f19c6676fc6c7d51dad41c4e77f30c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.235132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099800/publication.md
observed 8b58c4aca0b044f004b56cf08cbbe9ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.218539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099800/publication.txt
observed 4b7111958fe747350d6779dc22a3548e...
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.