OpenTechnical

OT-2026-000083079

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, 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-2026-000083079) never changes.

Identity and time

Publication numberOT-2026-000083079 · never reused
Internal UUID01a0ae97-c962-77c5-aa7a-926d8bbc8a15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083079
StatusPUBLIC

Content hashes

Canonical textf19150e21865fb88a9bc9392d2563a2c7383f00a5fa60800396b2ae8618af9a2
Markdownb491d591ee12561cdbb69d506cb41955e69ff0d33710cfbd091f49e4a2726b5f
PDF
Publication pagefd4126710184f3ddf7ef9d5fcfbd475cfb1a52177f47540b469e107ae1279c51
Manifest06056a89ab052f629a58563a7794c706f6d5f8894d0800a66805b63dcd63fc41

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
SignaturelJYUkSy8WKi4rrDcrK50FppspymD3rw7KcjbaZ83uebtprtTrKPNNZAHKLXUHIrwRT6xQAafeFIrp+ZY5/NRBQ==
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

2026-09-17T09:00:33.643842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083079
observed fd4126710184f3ddf7ef9d5fcfbd475c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:33.626883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083079/manifest.json
observed 06056a89ab052f629a58563a7794c706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:33.608119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083079/publication.md
observed b491d591ee12561cdbb69d506cb41955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:33.590889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083079/publication.txt
observed f19150e21865fb88a9bc9392d2563a2c...
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.