OpenTechnical

OT-2026-000095234

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, 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-2026-000095234) never changes.

Identity and time

Publication numberOT-2026-000095234 · never reused
Internal UUID01a0ae9f-8f70-7942-8876-d0386d6ccc18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095234
StatusPUBLIC

Content hashes

Canonical text0ec5bce86aaff6f7f387843f16f220d7981a81b164f95550a8ed84bc3d9e2351
Markdown8a7a34541b8f586b40320a6aa869373bec6f8876cd114a5d785a95cdc53972f9
PDF
Publication page94ac6cac89788cc387a2a59ba92c9097c52a55e23f8904a669da5335ca09d999
Manifestc4f3427ab98e4f48504a5b98ee5ab576036c504b29de75fdfbaf9d13f28838bc

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
SignatureMo+d1hs7tseEqXTTZggP6SRTHY0vWyk5v0edLo7mTSYDvf0RcYvoAvY/SjzHN21CvvZcrGKrvxcrMe/SGF/yAA==
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

2026-09-17T09:36:33.525921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095234
observed 94ac6cac89788cc387a2a59ba92c9097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.508041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095234/manifest.json
observed c4f3427ab98e4f48504a5b98ee5ab576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.489117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095234/publication.md
observed 8a7a34541b8f586b40320a6aa869373b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.472477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095234/publication.txt
observed 0ec5bce86aaff6f7f387843f16f220d7...
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.