OpenTechnical

OT-2026-000099927

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-2026-000099927) never changes.

Identity and time

Publication numberOT-2026-000099927 · never reused
Internal UUID01a0aea3-1473-7d34-a920-06e08434f697 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099927
StatusPUBLIC

Content hashes

Canonical text625b9f5956a718cf18335bca0e4e4c32bfa4d5f3ab5c5ea44e10e36aee4ad724
Markdownbcf56a193ad57f9bc50e8d6e2e3858b7ae776cb3678a90ff6efef840a2b28a39
PDF
Publication page5b18a81402629d4b270fd0c9fdb438da0c902b86b53baca675ef46691180e101
Manifest0123e15de57cc04ed8e0eda13b1660a504677a5547112c37bb7feb97888feb61

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
Signatureo18l/kK7eimP30X6iU/3Zm5TPsHBb8WFDxR2jUv5dRla8jE7ieJwTsm9GnlTKCRw9GeTvsVzZkROhEyCSfrtDA==
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

2026-09-17T09:30:34.362795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099927
observed 5b18a81402629d4b270fd0c9fdb438da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.345617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099927/manifest.json
observed 0123e15de57cc04ed8e0eda13b1660a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.328127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099927/publication.md
observed bcf56a193ad57f9bc50e8d6e2e3858b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.308189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099927/publication.txt
observed 625b9f5956a718cf18335bca0e4e4c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.918320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099927
observed 5b18a81402629d4b270fd0c9fdb438da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.902039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099927/manifest.json
observed 0123e15de57cc04ed8e0eda13b1660a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.882560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099927/publication.md
observed bcf56a193ad57f9bc50e8d6e2e3858b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.861116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099927/publication.txt
observed 625b9f5956a718cf18335bca0e4e4c32...
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.