OpenTechnical

OT-2026-000061228

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained 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-2026-000061228) never changes.

Identity and time

Publication numberOT-2026-000061228 · never reused
Internal UUID01a0ae8b-1382-7239-b460-9342d415d51c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061228
StatusPUBLIC

Content hashes

Canonical text5ed49090e60d085f920955ab69cd844e758a86e3fbb6ba0597e47250bf3acbd4
Markdown4126a2614964c02c5d664ceff4fb9dd457360d69b21f87d7123cc23f497b6f18
PDF
Publication pagea5cebcc3ecc657d9fc31b5b2ce23448bdf4159a2a7a612738d522cca3cc7adcd
Manifeste910da2b6c45b8354c53ec6dba3f3b45285d63c371d50ef68aa331b1e59c1b28

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
SignatureOWSNVHsiIYOr7XrBJ+6XQjPTjQo+vH11jV9kLqh96XIjXlXbnswh4sFEwtVcteCX2k7et/HvPHn4U+kvRJWBDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:38.199136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061228
observed a5cebcc3ecc657d9fc31b5b2ce23448b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.179769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061228/manifest.json
observed e910da2b6c45b8354c53ec6dba3f3b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.161803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061228/publication.md
observed 4126a2614964c02c5d664ceff4fb9dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.141144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061228/publication.txt
observed 5ed49090e60d085f920955ab69cd844e...
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.