OpenTechnical

OT-2026-000006817

Publication integrity record

Porous face vacuum gripper, three outlet manifold, two stage ejector, vented after 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-2026-000006817) never changes.

Identity and time

Publication numberOT-2026-000006817 · never reused
Internal UUID01a0a968-66b4-7ba6-bdae-84253df4310b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:49:46.681000Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006817
StatusPUBLIC

Content hashes

Canonical textd316a20d522ecc9fa9f98d3e3c095cd33fecfea785d39e75d1f7e33237f64867
Markdown73013ff81d761ff0be9186e3e295ab325a2bb2df0939e868e577a36843e9c739
PDF
Publication pagecb605f2d553fd0b6798784480a643117e04725af2bdb378b46b80afe46895b0f
Manifest4109fced0350f2bd1d282a87c66bcc0a538cdd233abbd5dbfc91f93490d5a1a1

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
SignatureFNw04lEr+Mc5qe/X9uVpA7maED62wqk9wP8KIeisGqhrUYvljaIpPruBGOBSQ/bKCBof+nZAVtqAEscg/o8PBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:03.128289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006817
observed cb605f2d553fd0b6798784480a643117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:03.003899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006817/manifest.json
observed 4109fced0350f2bd1d282a87c66bcc0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:02.990342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006817/publication.md
observed 73013ff81d761ff0be9186e3e295ab32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:02.976933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006817/publication.txt
observed d316a20d522ecc9fa9f98d3e3c095cd3...
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.