OpenTechnical

OT-2026-000095748

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000095748) never changes.

Identity and time

Publication numberOT-2026-000095748 · never reused
Internal UUID01a0ae9f-fac6-7bed-a516-250c68eb6d10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095748
StatusPUBLIC

Content hashes

Canonical text50d530149d4a4edb1dbcdbe4d7d7a2c105cecd1131bc21548ff9ca2aa5b16b63
Markdown07dcc5d3520e470141434c7969f16daaa5a8f4b0e2e97bb847cb9cf78ecb5f68
PDF
Publication page647c532dc874a9fc4e27df3a50366bc8c984e1adb38f6fa4afbbdb4021269d26
Manifest2b58cd225a3ab9e381dcd27599ce7ec9ac3f0ceaea652c7fcddf34d58bdc394b

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
Signature4VvlPAeJS41A3oSHCxv4pOKYXpPj4Dq17gKHwPlN/1QywjkhHDKCTskqzotzRliVe3AE62oeiAL1J878dpU7Aw==
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

2026-09-17T09:35:18.901759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095748
observed 647c532dc874a9fc4e27df3a50366bc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.884260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095748/manifest.json
observed 2b58cd225a3ab9e381dcd27599ce7ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.866235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095748/publication.md
observed 07dcc5d3520e470141434c7969f16daa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.849184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095748/publication.txt
observed 50d530149d4a4edb1dbcdbe4d7d7a2c1...
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.